File: mod.rs

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//! Android-specific definitions for linux-like values

pub type clock_t = ::c_long;
pub type time_t = ::c_long;
pub type suseconds_t = ::c_long;
pub type off_t = ::c_long;
pub type blkcnt_t = ::c_ulong;
pub type blksize_t = ::c_ulong;
pub type nlink_t = u32;
pub type useconds_t = u32;
pub type pthread_t = ::c_long;
pub type pthread_mutexattr_t = ::c_long;
pub type pthread_rwlockattr_t = ::c_long;
pub type pthread_condattr_t = ::c_long;
pub type pthread_key_t = ::c_int;
pub type fsfilcnt_t = ::c_ulong;
pub type fsblkcnt_t = ::c_ulong;
pub type nfds_t = ::c_uint;
pub type rlim_t = ::c_ulong;
pub type dev_t = ::c_ulong;
pub type ino_t = ::c_ulong;
pub type __CPU_BITTYPE = ::c_ulong;
pub type idtype_t = ::c_int;
pub type loff_t = ::c_longlong;

s! {
    pub struct stack_t {
        pub ss_sp: *mut ::c_void,
        pub ss_flags: ::c_int,
        pub ss_size: ::size_t
    }

    pub struct __fsid_t {
        __val: [::c_int; 2],
    }

    pub struct msghdr {
        pub msg_name: *mut ::c_void,
        pub msg_namelen: ::socklen_t,
        pub msg_iov: *mut ::iovec,
        pub msg_iovlen: ::size_t,
        pub msg_control: *mut ::c_void,
        pub msg_controllen: ::size_t,
        pub msg_flags: ::c_int,
    }

    pub struct cmsghdr {
        pub cmsg_len: ::size_t,
        pub cmsg_level: ::c_int,
        pub cmsg_type: ::c_int,
    }

    pub struct termios {
        pub c_iflag: ::tcflag_t,
        pub c_oflag: ::tcflag_t,
        pub c_cflag: ::tcflag_t,
        pub c_lflag: ::tcflag_t,
        pub c_line: ::cc_t,
        pub c_cc: [::cc_t; ::NCCS],
    }

    pub struct termios2 {
        pub c_iflag: ::tcflag_t,
        pub c_oflag: ::tcflag_t,
        pub c_cflag: ::tcflag_t,
        pub c_lflag: ::tcflag_t,
        pub c_line: ::cc_t,
        pub c_cc: [::cc_t; 19],
        pub c_ispeed: ::speed_t,
        pub c_ospeed: ::speed_t,
    }

    pub struct flock {
        pub l_type: ::c_short,
        pub l_whence: ::c_short,
        pub l_start: ::off_t,
        pub l_len: ::off_t,
        pub l_pid: ::pid_t,
    }

    pub struct cpu_set_t {
        #[cfg(target_pointer_width = "64")]
        __bits: [__CPU_BITTYPE; 16],
        #[cfg(target_pointer_width = "32")]
        __bits: [__CPU_BITTYPE; 1],
    }

    pub struct sem_t {
        count: ::c_uint,
        #[cfg(target_pointer_width = "64")]
        __reserved: [::c_int; 3],
    }

    pub struct exit_status {
        pub e_termination: ::c_short,
        pub e_exit: ::c_short,
    }

    pub struct statvfs {
        pub f_bsize: ::c_ulong,
        pub f_frsize: ::c_ulong,
        pub f_blocks: ::fsblkcnt_t,
        pub f_bfree: ::fsblkcnt_t,
        pub f_bavail: ::fsblkcnt_t,
        pub f_files: ::fsfilcnt_t,
        pub f_ffree: ::fsfilcnt_t,
        pub f_favail: ::fsfilcnt_t,
        pub f_fsid: ::c_ulong,
        pub f_flag: ::c_ulong,
        pub f_namemax: ::c_ulong,
        #[cfg(target_pointer_width = "64")]
        __f_reserved: [u32; 6],
    }

    pub struct signalfd_siginfo {
        pub ssi_signo: u32,
        pub ssi_errno: i32,
        pub ssi_code: i32,
        pub ssi_pid: u32,
        pub ssi_uid: u32,
        pub ssi_fd: i32,
        pub ssi_tid: u32,
        pub ssi_band: u32,
        pub ssi_overrun: u32,
        pub ssi_trapno: u32,
        pub ssi_status: i32,
        pub ssi_int: i32,
        pub ssi_ptr: ::c_ulonglong,
        pub ssi_utime: ::c_ulonglong,
        pub ssi_stime: ::c_ulonglong,
        pub ssi_addr: ::c_ulonglong,
        pub ssi_addr_lsb: u16,
        _pad2: u16,
        pub ssi_syscall: i32,
        pub ssi_call_addr: u64,
        pub ssi_arch: u32,
        _pad: [u8; 28],
    }

    pub struct ucred {
        pub pid: ::pid_t,
        pub uid: ::uid_t,
        pub gid: ::gid_t,
    }

    pub struct genlmsghdr {
        pub cmd: u8,
        pub version: u8,
        pub reserved: u16,
    }

    pub struct nlmsghdr {
        pub nlmsg_len: u32,
        pub nlmsg_type: u16,
        pub nlmsg_flags: u16,
        pub nlmsg_seq: u32,
        pub nlmsg_pid: u32,
    }

    pub struct nlmsgerr {
        pub error: ::c_int,
        pub msg: nlmsghdr,
    }

    pub struct nl_pktinfo {
        pub group: u32,
    }

    pub struct nl_mmap_req {
        pub nm_block_size: ::c_uint,
        pub nm_block_nr: ::c_uint,
        pub nm_frame_size: ::c_uint,
        pub nm_frame_nr: ::c_uint,
    }

    pub struct nl_mmap_hdr {
        pub nm_status: ::c_uint,
        pub nm_len: ::c_uint,
        pub nm_group: u32,
        pub nm_pid: u32,
        pub nm_uid: u32,
        pub nm_gid: u32,
    }

    pub struct nlattr {
        pub nla_len: u16,
        pub nla_type: u16,
    }

    pub struct in6_pktinfo {
        pub ipi6_addr: ::in6_addr,
        pub ipi6_ifindex: ::c_int,
    }

    pub struct inotify_event {
        pub wd: ::c_int,
        pub mask: u32,
        pub cookie: u32,
        pub len: u32
    }
}

s_no_extra_traits!{
    pub struct sockaddr_nl {
        pub nl_family: ::sa_family_t,
        nl_pad: ::c_ushort,
        pub nl_pid: u32,
        pub nl_groups: u32
    }

    pub struct dirent {
        pub d_ino: u64,
        pub d_off: i64,
        pub d_reclen: ::c_ushort,
        pub d_type: ::c_uchar,
        pub d_name: [::c_char; 256],
    }

    pub struct dirent64 {
        pub d_ino: u64,
        pub d_off: i64,
        pub d_reclen: ::c_ushort,
        pub d_type: ::c_uchar,
        pub d_name: [::c_char; 256],
    }

    pub struct siginfo_t {
        pub si_signo: ::c_int,
        pub si_errno: ::c_int,
        pub si_code: ::c_int,
        pub _pad: [::c_int; 29],
        _align: [usize; 0],
    }

    pub struct lastlog {
        ll_time: ::time_t,
        ll_line: [::c_char; UT_LINESIZE],
        ll_host: [::c_char; UT_HOSTSIZE],
    }

    pub struct utmp {
        pub ut_type: ::c_short,
        pub ut_pid: ::pid_t,
        pub ut_line: [::c_char; UT_LINESIZE],
        pub ut_id: [::c_char; 4],
        pub ut_user: [::c_char; UT_NAMESIZE],
        pub ut_host: [::c_char; UT_HOSTSIZE],
        pub ut_exit: exit_status,
        pub ut_session: ::c_long,
        pub ut_tv: ::timeval,
        pub ut_addr_v6: [i32; 4],
        unused: [::c_char; 20],
    }

    pub struct sockaddr_alg {
        pub salg_family: ::sa_family_t,
        pub salg_type: [::c_uchar; 14],
        pub salg_feat: u32,
        pub salg_mask: u32,
        pub salg_name: [::c_uchar; 64],
    }

    pub struct af_alg_iv {
        pub ivlen: u32,
        pub iv: [::c_uchar; 0],
    }
}

cfg_if! {
    if #[cfg(feature = "extra_traits")] {
        impl PartialEq for sockaddr_nl {
            fn eq(&self, other: &sockaddr_nl) -> bool {
                self.nl_family == other.nl_family &&
                    self.nl_pid == other.nl_pid &&
                    self.nl_groups == other.nl_groups
            }
        }
        impl Eq for sockaddr_nl {}
        impl ::fmt::Debug for sockaddr_nl {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("sockaddr_nl")
                    .field("nl_family", &self.nl_family)
                    .field("nl_pid", &self.nl_pid)
                    .field("nl_groups", &self.nl_groups)
                    .finish()
            }
        }
        impl ::hash::Hash for sockaddr_nl {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.nl_family.hash(state);
                self.nl_pid.hash(state);
                self.nl_groups.hash(state);
            }
        }

        impl PartialEq for dirent {
            fn eq(&self, other: &dirent) -> bool {
                self.d_ino == other.d_ino
                    && self.d_off == other.d_off
                    && self.d_reclen == other.d_reclen
                    && self.d_type == other.d_type
                    && self
                    .d_name
                    .iter()
                    .zip(other.d_name.iter())
                    .all(|(a,b)| a == b)
            }
        }

        impl Eq for dirent {}

        impl ::fmt::Debug for dirent {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("dirent")
                    .field("d_ino", &self.d_ino)
                    .field("d_off", &self.d_off)
                    .field("d_reclen", &self.d_reclen)
                    .field("d_type", &self.d_type)
                // FIXME: .field("d_name", &self.d_name)
                    .finish()
            }
        }

        impl ::hash::Hash for dirent {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.d_ino.hash(state);
                self.d_off.hash(state);
                self.d_reclen.hash(state);
                self.d_type.hash(state);
                self.d_name.hash(state);
            }
        }

        impl PartialEq for dirent64 {
            fn eq(&self, other: &dirent64) -> bool {
                self.d_ino == other.d_ino
                    && self.d_off == other.d_off
                    && self.d_reclen == other.d_reclen
                    && self.d_type == other.d_type
                    && self
                    .d_name
                    .iter()
                    .zip(other.d_name.iter())
                    .all(|(a,b)| a == b)
            }
        }

        impl Eq for dirent64 {}

        impl ::fmt::Debug for dirent64 {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("dirent64")
                    .field("d_ino", &self.d_ino)
                    .field("d_off", &self.d_off)
                    .field("d_reclen", &self.d_reclen)
                    .field("d_type", &self.d_type)
                // FIXME: .field("d_name", &self.d_name)
                    .finish()
            }
        }

        impl ::hash::Hash for dirent64 {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.d_ino.hash(state);
                self.d_off.hash(state);
                self.d_reclen.hash(state);
                self.d_type.hash(state);
                self.d_name.hash(state);
            }
        }

        impl PartialEq for siginfo_t {
            fn eq(&self, other: &siginfo_t) -> bool {
                self.si_signo == other.si_signo
                    && self.si_errno == other.si_errno
                    && self.si_code == other.si_code
                // Ignore _pad
                // Ignore _align
            }
        }

        impl Eq for siginfo_t {}

        impl ::fmt::Debug for siginfo_t {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("siginfo_t")
                    .field("si_signo", &self.si_signo)
                    .field("si_errno", &self.si_errno)
                    .field("si_code", &self.si_code)
                // Ignore _pad
                // Ignore _align
                    .finish()
            }
        }

        impl ::hash::Hash for siginfo_t {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.si_signo.hash(state);
                self.si_errno.hash(state);
                self.si_code.hash(state);
                // Ignore _pad
                // Ignore _align
            }
        }

        impl PartialEq for lastlog {
            fn eq(&self, other: &lastlog) -> bool {
                self.ll_time == other.ll_time
                    && self
                    .ll_line
                    .iter()
                    .zip(other.ll_line.iter())
                    .all(|(a,b)| a == b)
                    && self
                    .ll_host
                    .iter()
                    .zip(other.ll_host.iter())
                    .all(|(a,b)| a == b)
            }
        }

        impl Eq for lastlog {}

        impl ::fmt::Debug for lastlog {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("lastlog")
                    .field("ll_time", &self.ll_time)
                    .field("ll_line", &self.ll_line)
                // FIXME: .field("ll_host", &self.ll_host)
                    .finish()
            }
        }

        impl ::hash::Hash for lastlog {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.ll_time.hash(state);
                self.ll_line.hash(state);
                self.ll_host.hash(state);
            }
        }

        impl PartialEq for utmp {
            fn eq(&self, other: &utmp) -> bool {
                self.ut_type == other.ut_type
                    && self.ut_pid == other.ut_pid
                    && self
                    .ut_line
                    .iter()
                    .zip(other.ut_line.iter())
                    .all(|(a,b)| a == b)
                    && self.ut_id == other.ut_id
                    && self
                    .ut_user
                    .iter()
                    .zip(other.ut_user.iter())
                    .all(|(a,b)| a == b)
                    && self
                    .ut_host
                    .iter()
                    .zip(other.ut_host.iter())
                    .all(|(a,b)| a == b)
                    && self.ut_exit == other.ut_exit
                    && self.ut_session == other.ut_session
                    && self.ut_tv == other.ut_tv
                    && self.ut_addr_v6 == other.ut_addr_v6
                    && self.unused == other.unused
            }
        }

        impl Eq for utmp {}

        impl ::fmt::Debug for utmp {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("utmp")
                    .field("ut_type", &self.ut_type)
                    .field("ut_pid", &self.ut_pid)
                    .field("ut_line", &self.ut_line)
                    .field("ut_id", &self.ut_id)
                    .field("ut_user", &self.ut_user)
                // FIXME: .field("ut_host", &self.ut_host)
                    .field("ut_exit", &self.ut_exit)
                    .field("ut_session", &self.ut_session)
                    .field("ut_tv", &self.ut_tv)
                    .field("ut_addr_v6", &self.ut_addr_v6)
                    .field("unused", &self.unused)
                    .finish()
            }
        }

        impl ::hash::Hash for utmp {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.ut_type.hash(state);
                self.ut_pid.hash(state);
                self.ut_line.hash(state);
                self.ut_id.hash(state);
                self.ut_user.hash(state);
                self.ut_host.hash(state);
                self.ut_exit.hash(state);
                self.ut_session.hash(state);
                self.ut_tv.hash(state);
                self.ut_addr_v6.hash(state);
                self.unused.hash(state);
            }
        }

        impl PartialEq for sockaddr_alg {
            fn eq(&self, other: &sockaddr_alg) -> bool {
                self.salg_family == other.salg_family
                    && self
                    .salg_type
                    .iter()
                    .zip(other.salg_type.iter())
                    .all(|(a, b)| a == b)
                    && self.salg_feat == other.salg_feat
                    && self.salg_mask == other.salg_mask
                    && self
                    .salg_name
                    .iter()
                    .zip(other.salg_name.iter())
                    .all(|(a, b)| a == b)
           }
        }

        impl Eq for sockaddr_alg {}

        impl ::fmt::Debug for sockaddr_alg {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("sockaddr_alg")
                    .field("salg_family", &self.salg_family)
                    .field("salg_type", &self.salg_type)
                    .field("salg_feat", &self.salg_feat)
                    .field("salg_mask", &self.salg_mask)
                    .field("salg_name", &&self.salg_name[..])
                    .finish()
            }
        }

        impl ::hash::Hash for sockaddr_alg {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.salg_family.hash(state);
                self.salg_type.hash(state);
                self.salg_feat.hash(state);
                self.salg_mask.hash(state);
                self.salg_name.hash(state);
            }
        }

        impl af_alg_iv {
            fn as_slice(&self) -> &[u8] {
                unsafe {
                    ::core::slice::from_raw_parts(
                        self.iv.as_ptr(),
                        self.ivlen as usize
                    )
                }
            }
        }

        impl PartialEq for af_alg_iv {
            fn eq(&self, other: &af_alg_iv) -> bool {
                *self.as_slice() == *other.as_slice()
           }
        }

        impl Eq for af_alg_iv {}

        impl ::fmt::Debug for af_alg_iv {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("af_alg_iv")
                    .field("iv", &self.as_slice())
                    .finish()
            }
        }

        impl ::hash::Hash for af_alg_iv {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.as_slice().hash(state);
            }
        }
    }
}

pub const MADV_SOFT_OFFLINE: ::c_int = 101;
pub const MS_NOUSER: ::c_ulong = 0xffffffff80000000;
pub const MS_RMT_MASK: ::c_ulong = 0x02800051;

pub const O_TRUNC: ::c_int = 512;
pub const O_CLOEXEC: ::c_int = 0x80000;
pub const O_PATH: ::c_int = 0o10000000;
pub const O_NOATIME: ::c_int = 0o1000000;

pub const EBFONT: ::c_int = 59;
pub const ENOSTR: ::c_int = 60;
pub const ENODATA: ::c_int = 61;
pub const ETIME: ::c_int = 62;
pub const ENOSR: ::c_int = 63;
pub const ENONET: ::c_int = 64;
pub const ENOPKG: ::c_int = 65;
pub const EREMOTE: ::c_int = 66;
pub const ENOLINK: ::c_int = 67;
pub const EADV: ::c_int = 68;
pub const ESRMNT: ::c_int = 69;
pub const ECOMM: ::c_int = 70;
pub const EPROTO: ::c_int = 71;
pub const EDOTDOT: ::c_int = 73;

pub const EPOLL_CLOEXEC: ::c_int = 0x80000;
pub const EPOLLONESHOT: ::c_int = 0x40000000;
pub const EPOLLRDHUP: ::c_int = 0x00002000;
pub const EPOLLWAKEUP: ::c_int = 0x20000000;

pub const EFD_CLOEXEC: ::c_int = 0x80000;

pub const USER_PROCESS: ::c_short = 7;

pub const FALLOC_FL_COLLAPSE_RANGE: ::c_int = 0x08;

pub const BUFSIZ: ::c_uint = 1024;
pub const FILENAME_MAX: ::c_uint = 4096;
pub const FOPEN_MAX: ::c_uint = 20;
pub const POSIX_FADV_DONTNEED: ::c_int = 4;
pub const POSIX_FADV_NOREUSE: ::c_int = 5;
pub const L_tmpnam: ::c_uint = 4096;
pub const TMP_MAX: ::c_uint = 308915776;
pub const _PC_LINK_MAX: ::c_int = 1;
pub const _PC_MAX_CANON: ::c_int = 2;
pub const _PC_MAX_INPUT: ::c_int = 3;
pub const _PC_NAME_MAX: ::c_int = 4;
pub const _PC_PATH_MAX: ::c_int = 5;
pub const _PC_PIPE_BUF: ::c_int = 6;
pub const _PC_2_SYMLINKS: ::c_int = 7;
pub const _PC_ALLOC_SIZE_MIN: ::c_int = 8;
pub const _PC_REC_INCR_XFER_SIZE: ::c_int = 9;
pub const _PC_REC_MAX_XFER_SIZE: ::c_int = 10;
pub const _PC_REC_MIN_XFER_SIZE: ::c_int = 11;
pub const _PC_REC_XFER_ALIGN: ::c_int = 12;
pub const _PC_SYMLINK_MAX: ::c_int = 13;
pub const _PC_CHOWN_RESTRICTED: ::c_int = 14;
pub const _PC_NO_TRUNC: ::c_int = 15;
pub const _PC_VDISABLE: ::c_int = 16;
pub const _PC_ASYNC_IO: ::c_int = 17;
pub const _PC_PRIO_IO: ::c_int = 18;
pub const _PC_SYNC_IO: ::c_int = 19;

pub const FIONBIO: ::c_int = 0x5421;

pub const _SC_ARG_MAX: ::c_int = 0;
pub const _SC_BC_BASE_MAX: ::c_int = 1;
pub const _SC_BC_DIM_MAX: ::c_int = 2;
pub const _SC_BC_SCALE_MAX: ::c_int = 3;
pub const _SC_BC_STRING_MAX: ::c_int = 4;
pub const _SC_CHILD_MAX: ::c_int = 5;
pub const _SC_CLK_TCK: ::c_int = 6;
pub const _SC_COLL_WEIGHTS_MAX: ::c_int = 7;
pub const _SC_EXPR_NEST_MAX: ::c_int = 8;
pub const _SC_LINE_MAX: ::c_int = 9;
pub const _SC_NGROUPS_MAX: ::c_int = 10;
pub const _SC_OPEN_MAX: ::c_int = 11;
pub const _SC_PASS_MAX: ::c_int = 12;
pub const _SC_2_C_BIND: ::c_int = 13;
pub const _SC_2_C_DEV: ::c_int = 14;
pub const _SC_2_C_VERSION: ::c_int = 15;
pub const _SC_2_CHAR_TERM: ::c_int = 16;
pub const _SC_2_FORT_DEV: ::c_int = 17;
pub const _SC_2_FORT_RUN: ::c_int = 18;
pub const _SC_2_LOCALEDEF: ::c_int = 19;
pub const _SC_2_SW_DEV: ::c_int = 20;
pub const _SC_2_UPE: ::c_int = 21;
pub const _SC_2_VERSION: ::c_int = 22;
pub const _SC_JOB_CONTROL: ::c_int = 23;
pub const _SC_SAVED_IDS: ::c_int = 24;
pub const _SC_VERSION: ::c_int = 25;
pub const _SC_RE_DUP_MAX: ::c_int = 26;
pub const _SC_STREAM_MAX: ::c_int = 27;
pub const _SC_TZNAME_MAX: ::c_int = 28;
pub const _SC_XOPEN_CRYPT: ::c_int = 29;
pub const _SC_XOPEN_ENH_I18N: ::c_int = 30;
pub const _SC_XOPEN_SHM: ::c_int = 31;
pub const _SC_XOPEN_VERSION: ::c_int = 32;
pub const _SC_XOPEN_XCU_VERSION: ::c_int = 33;
pub const _SC_XOPEN_REALTIME: ::c_int = 34;
pub const _SC_XOPEN_REALTIME_THREADS: ::c_int = 35;
pub const _SC_XOPEN_LEGACY: ::c_int = 36;
pub const _SC_ATEXIT_MAX: ::c_int = 37;
pub const _SC_IOV_MAX: ::c_int = 38;
pub const _SC_PAGESIZE: ::c_int = 39;
pub const _SC_PAGE_SIZE: ::c_int = 40;
pub const _SC_XOPEN_UNIX: ::c_int = 41;
pub const _SC_XBS5_ILP32_OFF32: ::c_int = 42;
pub const _SC_XBS5_ILP32_OFFBIG: ::c_int = 43;
pub const _SC_XBS5_LP64_OFF64: ::c_int = 44;
pub const _SC_XBS5_LPBIG_OFFBIG: ::c_int = 45;
pub const _SC_AIO_LISTIO_MAX: ::c_int = 46;
pub const _SC_AIO_MAX: ::c_int = 47;
pub const _SC_AIO_PRIO_DELTA_MAX: ::c_int = 48;
pub const _SC_DELAYTIMER_MAX: ::c_int = 49;
pub const _SC_MQ_OPEN_MAX: ::c_int = 50;
pub const _SC_MQ_PRIO_MAX: ::c_int = 51;
pub const _SC_RTSIG_MAX: ::c_int = 52;
pub const _SC_SEM_NSEMS_MAX: ::c_int = 53;
pub const _SC_SEM_VALUE_MAX: ::c_int = 54;
pub const _SC_SIGQUEUE_MAX: ::c_int = 55;
pub const _SC_TIMER_MAX: ::c_int = 56;
pub const _SC_ASYNCHRONOUS_IO: ::c_int = 57;
pub const _SC_FSYNC: ::c_int = 58;
pub const _SC_MAPPED_FILES: ::c_int = 59;
pub const _SC_MEMLOCK: ::c_int = 60;
pub const _SC_MEMLOCK_RANGE: ::c_int = 61;
pub const _SC_MEMORY_PROTECTION: ::c_int = 62;
pub const _SC_MESSAGE_PASSING: ::c_int = 63;
pub const _SC_PRIORITIZED_IO: ::c_int = 64;
pub const _SC_PRIORITY_SCHEDULING: ::c_int = 65;
pub const _SC_REALTIME_SIGNALS: ::c_int = 66;
pub const _SC_SEMAPHORES: ::c_int = 67;
pub const _SC_SHARED_MEMORY_OBJECTS: ::c_int = 68;
pub const _SC_SYNCHRONIZED_IO: ::c_int = 69;
pub const _SC_TIMERS: ::c_int = 70;
pub const _SC_GETGR_R_SIZE_MAX: ::c_int = 71;
pub const _SC_GETPW_R_SIZE_MAX: ::c_int = 72;
pub const _SC_LOGIN_NAME_MAX: ::c_int = 73;
pub const _SC_THREAD_DESTRUCTOR_ITERATIONS: ::c_int = 74;
pub const _SC_THREAD_KEYS_MAX: ::c_int = 75;
pub const _SC_THREAD_STACK_MIN: ::c_int = 76;
pub const _SC_THREAD_THREADS_MAX: ::c_int = 77;
pub const _SC_TTY_NAME_MAX: ::c_int = 78;
pub const _SC_THREADS: ::c_int = 79;
pub const _SC_THREAD_ATTR_STACKADDR: ::c_int = 80;
pub const _SC_THREAD_ATTR_STACKSIZE: ::c_int = 81;
pub const _SC_THREAD_PRIORITY_SCHEDULING: ::c_int = 82;
pub const _SC_THREAD_PRIO_INHERIT: ::c_int = 83;
pub const _SC_THREAD_PRIO_PROTECT: ::c_int = 84;
pub const _SC_THREAD_SAFE_FUNCTIONS: ::c_int = 85;
pub const _SC_NPROCESSORS_CONF: ::c_int = 96;
pub const _SC_NPROCESSORS_ONLN: ::c_int = 97;
pub const _SC_PHYS_PAGES: ::c_int = 98;
pub const _SC_AVPHYS_PAGES: ::c_int = 99;
pub const _SC_MONOTONIC_CLOCK: ::c_int = 100;

pub const _SC_2_PBS: ::c_int = 101;
pub const _SC_2_PBS_ACCOUNTING: ::c_int = 102;
pub const _SC_2_PBS_CHECKPOINT: ::c_int = 103;
pub const _SC_2_PBS_LOCATE: ::c_int = 104;
pub const _SC_2_PBS_MESSAGE: ::c_int = 105;
pub const _SC_2_PBS_TRACK: ::c_int = 106;
pub const _SC_ADVISORY_INFO: ::c_int = 107;
pub const _SC_BARRIERS: ::c_int = 108;
pub const _SC_CLOCK_SELECTION: ::c_int = 109;
pub const _SC_CPUTIME: ::c_int = 110;
pub const _SC_HOST_NAME_MAX: ::c_int = 111;
pub const _SC_IPV6: ::c_int = 112;
pub const _SC_RAW_SOCKETS: ::c_int = 113;
pub const _SC_READER_WRITER_LOCKS: ::c_int = 114;
pub const _SC_REGEXP: ::c_int = 115;
pub const _SC_SHELL: ::c_int = 116;
pub const _SC_SPAWN: ::c_int = 117;
pub const _SC_SPIN_LOCKS: ::c_int = 118;
pub const _SC_SPORADIC_SERVER: ::c_int = 119;
pub const _SC_SS_REPL_MAX: ::c_int = 120;
pub const _SC_SYMLOOP_MAX: ::c_int = 121;
pub const _SC_THREAD_CPUTIME: ::c_int = 122;
pub const _SC_THREAD_PROCESS_SHARED: ::c_int = 123;
pub const _SC_THREAD_ROBUST_PRIO_INHERIT: ::c_int = 124;
pub const _SC_THREAD_ROBUST_PRIO_PROTECT: ::c_int = 125;
pub const _SC_THREAD_SPORADIC_SERVER: ::c_int = 126;
pub const _SC_TIMEOUTS: ::c_int = 127;
pub const _SC_TRACE: ::c_int = 128;
pub const _SC_TRACE_EVENT_FILTER: ::c_int = 129;
pub const _SC_TRACE_EVENT_NAME_MAX: ::c_int = 130;
pub const _SC_TRACE_INHERIT: ::c_int = 131;
pub const _SC_TRACE_LOG: ::c_int = 132;
pub const _SC_TRACE_NAME_MAX: ::c_int = 133;
pub const _SC_TRACE_SYS_MAX: ::c_int = 134;
pub const _SC_TRACE_USER_EVENT_MAX: ::c_int = 135;
pub const _SC_TYPED_MEMORY_OBJECTS: ::c_int = 136;
pub const _SC_V7_ILP32_OFF32: ::c_int = 137;
pub const _SC_V7_ILP32_OFFBIG: ::c_int = 138;
pub const _SC_V7_LP64_OFF64: ::c_int = 139;
pub const _SC_V7_LPBIG_OFFBIG: ::c_int = 140;
pub const _SC_XOPEN_STREAMS: ::c_int = 141;
pub const _SC_XOPEN_UUCP: ::c_int = 142;

pub const PTHREAD_MUTEX_NORMAL: ::c_int = 0;
pub const PTHREAD_MUTEX_RECURSIVE: ::c_int = 1;
pub const PTHREAD_MUTEX_ERRORCHECK: ::c_int = 2;
pub const PTHREAD_MUTEX_DEFAULT: ::c_int = PTHREAD_MUTEX_NORMAL;

pub const FIOCLEX: ::c_int = 0x5451;
pub const FIONCLEX: ::c_int = 0x5450;

pub const SIGCHLD: ::c_int = 17;
pub const SIGBUS: ::c_int = 7;
pub const SIGUSR1: ::c_int = 10;
pub const SIGUSR2: ::c_int = 12;
pub const SIGCONT: ::c_int = 18;
pub const SIGSTOP: ::c_int = 19;
pub const SIGTSTP: ::c_int = 20;
pub const SIGURG: ::c_int = 23;
pub const SIGIO: ::c_int = 29;
pub const SIGSYS: ::c_int = 31;
pub const SIGSTKFLT: ::c_int = 16;
#[deprecated(
    since = "0.2.55",
    note = "Use SIGSYS instead"
)]
pub const SIGUNUSED: ::c_int = 31;
pub const SIGTTIN: ::c_int = 21;
pub const SIGTTOU: ::c_int = 22;
pub const SIGXCPU: ::c_int = 24;
pub const SIGXFSZ: ::c_int = 25;
pub const SIGVTALRM: ::c_int = 26;
pub const SIGPROF: ::c_int = 27;
pub const SIGWINCH: ::c_int = 28;
pub const SIGPOLL: ::c_int = 29;
pub const SIGPWR: ::c_int = 30;
pub const SIG_SETMASK: ::c_int = 2;
pub const SIG_BLOCK: ::c_int = 0x000000;
pub const SIG_UNBLOCK: ::c_int = 0x01;

pub const RUSAGE_CHILDREN: ::c_int = -1;

pub const LC_PAPER: ::c_int = 7;
pub const LC_NAME: ::c_int = 8;
pub const LC_ADDRESS: ::c_int = 9;
pub const LC_TELEPHONE: ::c_int = 10;
pub const LC_MEASUREMENT: ::c_int = 11;
pub const LC_IDENTIFICATION: ::c_int = 12;
pub const LC_PAPER_MASK: ::c_int = (1 << LC_PAPER);
pub const LC_NAME_MASK: ::c_int = (1 << LC_NAME);
pub const LC_ADDRESS_MASK: ::c_int = (1 << LC_ADDRESS);
pub const LC_TELEPHONE_MASK: ::c_int = (1 << LC_TELEPHONE);
pub const LC_MEASUREMENT_MASK: ::c_int = (1 << LC_MEASUREMENT);
pub const LC_IDENTIFICATION_MASK: ::c_int = (1 << LC_IDENTIFICATION);
pub const LC_ALL_MASK: ::c_int = ::LC_CTYPE_MASK
                               | ::LC_NUMERIC_MASK
                               | ::LC_TIME_MASK
                               | ::LC_COLLATE_MASK
                               | ::LC_MONETARY_MASK
                               | ::LC_MESSAGES_MASK
                               | LC_PAPER_MASK
                               | LC_NAME_MASK
                               | LC_ADDRESS_MASK
                               | LC_TELEPHONE_MASK
                               | LC_MEASUREMENT_MASK
                               | LC_IDENTIFICATION_MASK;

pub const MAP_ANON: ::c_int = 0x0020;
pub const MAP_ANONYMOUS: ::c_int = 0x0020;
pub const MAP_GROWSDOWN: ::c_int = 0x0100;
pub const MAP_DENYWRITE: ::c_int = 0x0800;
pub const MAP_EXECUTABLE: ::c_int = 0x01000;
pub const MAP_LOCKED: ::c_int = 0x02000;
pub const MAP_NORESERVE: ::c_int = 0x04000;
pub const MAP_POPULATE: ::c_int = 0x08000;
pub const MAP_NONBLOCK: ::c_int = 0x010000;
pub const MAP_STACK: ::c_int = 0x020000;

pub const EDEADLK: ::c_int = 35;
pub const ENAMETOOLONG: ::c_int = 36;
pub const ENOLCK: ::c_int = 37;
pub const ENOSYS: ::c_int = 38;
pub const ENOTEMPTY: ::c_int = 39;
pub const ELOOP: ::c_int = 40;
pub const ENOMSG: ::c_int = 42;
pub const EIDRM: ::c_int = 43;
pub const ECHRNG: ::c_int = 44;
pub const EL2NSYNC: ::c_int = 45;
pub const EL3HLT: ::c_int = 46;
pub const EL3RST: ::c_int = 47;
pub const ELNRNG: ::c_int = 48;
pub const EUNATCH: ::c_int = 49;
pub const ENOCSI: ::c_int = 50;
pub const EL2HLT: ::c_int = 51;
pub const EBADE: ::c_int = 52;
pub const EBADR: ::c_int = 53;
pub const EXFULL: ::c_int = 54;
pub const ENOANO: ::c_int = 55;
pub const EBADRQC: ::c_int = 56;
pub const EBADSLT: ::c_int = 57;

pub const EMULTIHOP: ::c_int = 72;
pub const EBADMSG: ::c_int = 74;
pub const EOVERFLOW: ::c_int = 75;
pub const ENOTUNIQ: ::c_int = 76;
pub const EBADFD: ::c_int = 77;
pub const EREMCHG: ::c_int = 78;
pub const ELIBACC: ::c_int = 79;
pub const ELIBBAD: ::c_int = 80;
pub const ELIBSCN: ::c_int = 81;
pub const ELIBMAX: ::c_int = 82;
pub const ELIBEXEC: ::c_int = 83;
pub const EILSEQ: ::c_int = 84;
pub const ERESTART: ::c_int = 85;
pub const ESTRPIPE: ::c_int = 86;
pub const EUSERS: ::c_int = 87;
pub const ENOTSOCK: ::c_int = 88;
pub const EDESTADDRREQ: ::c_int = 89;
pub const EMSGSIZE: ::c_int = 90;
pub const EPROTOTYPE: ::c_int = 91;
pub const ENOPROTOOPT: ::c_int = 92;
pub const EPROTONOSUPPORT: ::c_int = 93;
pub const ESOCKTNOSUPPORT: ::c_int = 94;
pub const EOPNOTSUPP: ::c_int = 95;
pub const ENOTSUP: ::c_int = EOPNOTSUPP;
pub const EPFNOSUPPORT: ::c_int = 96;
pub const EAFNOSUPPORT: ::c_int = 97;
pub const EADDRINUSE: ::c_int = 98;
pub const EADDRNOTAVAIL: ::c_int = 99;
pub const ENETDOWN: ::c_int = 100;
pub const ENETUNREACH: ::c_int = 101;
pub const ENETRESET: ::c_int = 102;
pub const ECONNABORTED: ::c_int = 103;
pub const ECONNRESET: ::c_int = 104;
pub const ENOBUFS: ::c_int = 105;
pub const EISCONN: ::c_int = 106;
pub const ENOTCONN: ::c_int = 107;
pub const ESHUTDOWN: ::c_int = 108;
pub const ETOOMANYREFS: ::c_int = 109;
pub const ETIMEDOUT: ::c_int = 110;
pub const ECONNREFUSED: ::c_int = 111;
pub const EHOSTDOWN: ::c_int = 112;
pub const EHOSTUNREACH: ::c_int = 113;
pub const EALREADY: ::c_int = 114;
pub const EINPROGRESS: ::c_int = 115;
pub const ESTALE: ::c_int = 116;
pub const EUCLEAN: ::c_int = 117;
pub const ENOTNAM: ::c_int = 118;
pub const ENAVAIL: ::c_int = 119;
pub const EISNAM: ::c_int = 120;
pub const EREMOTEIO: ::c_int = 121;
pub const EDQUOT: ::c_int = 122;
pub const ENOMEDIUM: ::c_int = 123;
pub const EMEDIUMTYPE: ::c_int = 124;
pub const ECANCELED: ::c_int = 125;
pub const ENOKEY: ::c_int = 126;
pub const EKEYEXPIRED: ::c_int = 127;
pub const EKEYREVOKED: ::c_int = 128;
pub const EKEYREJECTED: ::c_int = 129;
pub const EOWNERDEAD: ::c_int = 130;
pub const ENOTRECOVERABLE: ::c_int = 131;

pub const SOCK_STREAM: ::c_int = 1;
pub const SOCK_DGRAM: ::c_int = 2;
pub const SOCK_SEQPACKET: ::c_int = 5;
pub const SOCK_DCCP: ::c_int = 6;
pub const SOCK_PACKET: ::c_int = 10;

pub const SOL_SOCKET: ::c_int = 1;
pub const SOL_SCTP: ::c_int = 132;
pub const SOL_IPX: ::c_int = 256;
pub const SOL_AX25: ::c_int = 257;
pub const SOL_ATALK: ::c_int = 258;
pub const SOL_NETROM: ::c_int = 259;
pub const SOL_ROSE: ::c_int = 260;

/* DCCP socket options */
pub const DCCP_SOCKOPT_PACKET_SIZE: ::c_int = 1;
pub const DCCP_SOCKOPT_SERVICE: ::c_int = 2;
pub const DCCP_SOCKOPT_CHANGE_L: ::c_int = 3;
pub const DCCP_SOCKOPT_CHANGE_R: ::c_int = 4;
pub const DCCP_SOCKOPT_GET_CUR_MPS: ::c_int = 5;
pub const DCCP_SOCKOPT_SERVER_TIMEWAIT: ::c_int = 6;
pub const DCCP_SOCKOPT_SEND_CSCOV: ::c_int = 10;
pub const DCCP_SOCKOPT_RECV_CSCOV: ::c_int = 11;
pub const DCCP_SOCKOPT_AVAILABLE_CCIDS: ::c_int = 12;
pub const DCCP_SOCKOPT_CCID: ::c_int = 13;
pub const DCCP_SOCKOPT_TX_CCID: ::c_int = 14;
pub const DCCP_SOCKOPT_RX_CCID: ::c_int = 15;
pub const DCCP_SOCKOPT_QPOLICY_ID: ::c_int = 16;
pub const DCCP_SOCKOPT_QPOLICY_TXQLEN: ::c_int = 17;
pub const DCCP_SOCKOPT_CCID_RX_INFO: ::c_int = 128;
pub const DCCP_SOCKOPT_CCID_TX_INFO: ::c_int = 192;

/// maximum number of services provided on the same listening port
pub const DCCP_SERVICE_LIST_MAX_LEN: ::c_int = 32;

pub const SO_REUSEADDR: ::c_int = 2;
pub const SO_TYPE: ::c_int = 3;
pub const SO_ERROR: ::c_int = 4;
pub const SO_DONTROUTE: ::c_int = 5;
pub const SO_BROADCAST: ::c_int = 6;
pub const SO_SNDBUF: ::c_int = 7;
pub const SO_RCVBUF: ::c_int = 8;
pub const SO_KEEPALIVE: ::c_int = 9;
pub const SO_OOBINLINE: ::c_int = 10;
pub const SO_PRIORITY: ::c_int = 12;
pub const SO_LINGER: ::c_int = 13;
pub const SO_BSDCOMPAT: ::c_int = 14;
pub const SO_REUSEPORT: ::c_int = 15;
pub const SO_PASSCRED: ::c_int = 16;
pub const SO_PEERCRED: ::c_int = 17;
pub const SO_RCVLOWAT: ::c_int = 18;
pub const SO_SNDLOWAT: ::c_int = 19;
pub const SO_RCVTIMEO: ::c_int = 20;
pub const SO_SNDTIMEO: ::c_int = 21;
pub const SO_BINDTODEVICE: ::c_int = 25;
pub const SO_TIMESTAMP: ::c_int = 29;
pub const SO_ACCEPTCONN: ::c_int = 30;
pub const SO_SNDBUFFORCE: ::c_int = 32;
pub const SO_RCVBUFFORCE: ::c_int = 33;
pub const SO_MARK: ::c_int = 36;
pub const SO_PROTOCOL: ::c_int = 38;
pub const SO_DOMAIN: ::c_int = 39;
pub const SO_RXQ_OVFL: ::c_int = 40;
pub const SO_PEEK_OFF: ::c_int = 42;
pub const SO_BUSY_POLL: ::c_int = 46;

pub const IPTOS_ECN_NOTECT: u8 = 0x00;

pub const O_ACCMODE: ::c_int = 3;
pub const O_APPEND: ::c_int = 1024;
pub const O_CREAT: ::c_int = 64;
pub const O_EXCL: ::c_int = 128;
pub const O_NOCTTY: ::c_int = 256;
pub const O_NONBLOCK: ::c_int = 2048;
pub const O_SYNC: ::c_int = 0x101000;
pub const O_ASYNC: ::c_int = 0x2000;
pub const O_NDELAY: ::c_int = 0x800;
pub const O_DSYNC: ::c_int = 4096;

pub const NI_MAXHOST: ::size_t = 1025;

pub const NCCS: usize = 19;
pub const TCSBRKP: ::c_int = 0x5425;
pub const TCSANOW: ::c_int = 0;
pub const TCSADRAIN: ::c_int = 0x1;
pub const TCSAFLUSH: ::c_int = 0x2;
pub const VEOF: usize = 4;
pub const VEOL: usize = 11;
pub const VEOL2: usize = 16;
pub const VMIN: usize = 6;
pub const IEXTEN: ::tcflag_t = 0x00008000;
pub const TOSTOP: ::tcflag_t = 0x00000100;
pub const FLUSHO: ::tcflag_t = 0x00001000;
pub const EXTPROC: ::tcflag_t = 0o200000;

pub const ADFS_SUPER_MAGIC: ::c_long = 0x0000adf5;
pub const AFFS_SUPER_MAGIC: ::c_long = 0x0000adff;
pub const CODA_SUPER_MAGIC: ::c_long = 0x73757245;
pub const CRAMFS_MAGIC: ::c_long = 0x28cd3d45;
pub const EFS_SUPER_MAGIC: ::c_long = 0x00414a53;
pub const EXT2_SUPER_MAGIC: ::c_long = 0x0000ef53;
pub const EXT3_SUPER_MAGIC: ::c_long = 0x0000ef53;
pub const EXT4_SUPER_MAGIC: ::c_long = 0x0000ef53;
pub const HPFS_SUPER_MAGIC: ::c_long = 0xf995e849;
pub const HUGETLBFS_MAGIC: ::c_long = 0x958458f6;
pub const ISOFS_SUPER_MAGIC: ::c_long = 0x00009660;
pub const JFFS2_SUPER_MAGIC: ::c_long = 0x000072b6;
pub const MINIX_SUPER_MAGIC: ::c_long = 0x0000137f;
pub const MINIX_SUPER_MAGIC2: ::c_long = 0x0000138f;
pub const MINIX2_SUPER_MAGIC: ::c_long = 0x00002468;
pub const MINIX2_SUPER_MAGIC2: ::c_long = 0x00002478;
pub const MSDOS_SUPER_MAGIC: ::c_long = 0x00004d44;
pub const NCP_SUPER_MAGIC: ::c_long = 0x0000564c;
pub const NFS_SUPER_MAGIC: ::c_long = 0x00006969;
pub const OPENPROM_SUPER_MAGIC: ::c_long = 0x00009fa1;
pub const PROC_SUPER_MAGIC: ::c_long = 0x00009fa0;
pub const QNX4_SUPER_MAGIC: ::c_long = 0x0000002f;
pub const REISERFS_SUPER_MAGIC: ::c_long = 0x52654973;
pub const SMB_SUPER_MAGIC: ::c_long = 0x0000517b;
pub const TMPFS_MAGIC: ::c_long = 0x01021994;
pub const USBDEVICE_SUPER_MAGIC: ::c_long = 0x00009fa2;

pub const MAP_HUGETLB: ::c_int = 0x040000;

pub const PTRACE_TRACEME: ::c_int = 0;
pub const PTRACE_PEEKTEXT: ::c_int = 1;
pub const PTRACE_PEEKDATA: ::c_int = 2;
pub const PTRACE_PEEKUSER: ::c_int = 3;
pub const PTRACE_POKETEXT: ::c_int = 4;
pub const PTRACE_POKEDATA: ::c_int = 5;
pub const PTRACE_POKEUSER: ::c_int = 6;
pub const PTRACE_CONT: ::c_int = 7;
pub const PTRACE_KILL: ::c_int = 8;
pub const PTRACE_SINGLESTEP: ::c_int = 9;
pub const PTRACE_ATTACH: ::c_int = 16;
pub const PTRACE_DETACH: ::c_int = 17;
pub const PTRACE_SYSCALL: ::c_int = 24;
pub const PTRACE_SETOPTIONS: ::c_int = 0x4200;
pub const PTRACE_GETEVENTMSG: ::c_int = 0x4201;
pub const PTRACE_GETSIGINFO: ::c_int = 0x4202;
pub const PTRACE_SETSIGINFO: ::c_int = 0x4203;

pub const EFD_NONBLOCK: ::c_int = 0x800;

pub const F_GETLK: ::c_int = 5;
pub const F_GETOWN: ::c_int = 9;
pub const F_SETOWN: ::c_int = 8;
pub const F_SETLK: ::c_int = 6;
pub const F_SETLKW: ::c_int = 7;
pub const F_RDLCK: ::c_int = 0;
pub const F_WRLCK: ::c_int = 1;
pub const F_UNLCK: ::c_int = 2;

pub const RLIMIT_CPU: ::c_int = 0;
pub const RLIMIT_FSIZE: ::c_int = 1;
pub const RLIMIT_DATA: ::c_int = 2;
pub const RLIMIT_STACK: ::c_int = 3;
pub const RLIMIT_CORE: ::c_int = 4;
pub const RLIMIT_LOCKS: ::c_int = 10;
pub const RLIMIT_SIGPENDING: ::c_int = 11;
pub const RLIMIT_MSGQUEUE: ::c_int = 12;
pub const RLIMIT_NICE: ::c_int = 13;
pub const RLIMIT_RTPRIO: ::c_int = 14;

pub const TCGETS: ::c_int = 0x5401;
pub const TCSETS: ::c_int = 0x5402;
pub const TCSETSW: ::c_int = 0x5403;
pub const TCSETSF: ::c_int = 0x5404;
pub const TCGETA: ::c_int = 0x5405;
pub const TCSETA: ::c_int = 0x5406;
pub const TCSETAW: ::c_int = 0x5407;
pub const TCSETAF: ::c_int = 0x5408;
pub const TCSBRK: ::c_int = 0x5409;
pub const TCXONC: ::c_int = 0x540A;
pub const TCFLSH: ::c_int = 0x540B;
pub const TIOCGSOFTCAR: ::c_int = 0x5419;
pub const TIOCSSOFTCAR: ::c_int = 0x541A;
pub const TIOCINQ: ::c_int = 0x541B;
pub const TIOCLINUX: ::c_int = 0x541C;
pub const TIOCGSERIAL: ::c_int = 0x541E;
pub const TIOCEXCL: ::c_int = 0x540C;
pub const TIOCNXCL: ::c_int = 0x540D;
pub const TIOCSCTTY: ::c_int = 0x540E;
pub const TIOCGPGRP: ::c_int = 0x540F;
pub const TIOCSPGRP: ::c_int = 0x5410;
pub const TIOCOUTQ: ::c_int = 0x5411;
pub const TIOCSTI: ::c_int = 0x5412;
pub const TIOCGWINSZ: ::c_int = 0x5413;
pub const TIOCSWINSZ: ::c_int = 0x5414;
pub const TIOCMGET: ::c_int = 0x5415;
pub const TIOCMBIS: ::c_int = 0x5416;
pub const TIOCMBIC: ::c_int = 0x5417;
pub const TIOCMSET: ::c_int = 0x5418;
pub const FIONREAD: ::c_int = 0x541B;
pub const TIOCCONS: ::c_int = 0x541D;

pub const ST_RDONLY: ::c_ulong = 1;
pub const ST_NOSUID: ::c_ulong = 2;
pub const ST_NODEV: ::c_ulong = 4;
pub const ST_NOEXEC: ::c_ulong = 8;
pub const ST_SYNCHRONOUS: ::c_ulong = 16;
pub const ST_MANDLOCK: ::c_ulong = 64;
pub const ST_NOATIME: ::c_ulong = 1024;
pub const ST_NODIRATIME: ::c_ulong = 2048;
pub const ST_RELATIME: ::c_ulong = 4096;

pub const RTLD_NOLOAD: ::c_int = 0x4;

pub const SEM_FAILED: *mut sem_t = 0 as *mut sem_t;

pub const LINUX_REBOOT_MAGIC1: ::c_int = 0xfee1dead;
pub const LINUX_REBOOT_MAGIC2: ::c_int = 672274793;
pub const LINUX_REBOOT_MAGIC2A: ::c_int = 85072278;
pub const LINUX_REBOOT_MAGIC2B: ::c_int = 369367448;
pub const LINUX_REBOOT_MAGIC2C: ::c_int = 537993216;

pub const LINUX_REBOOT_CMD_RESTART: ::c_int = 0x01234567;
pub const LINUX_REBOOT_CMD_HALT: ::c_int = 0xCDEF0123;
pub const LINUX_REBOOT_CMD_CAD_ON: ::c_int = 0x89ABCDEF;
pub const LINUX_REBOOT_CMD_CAD_OFF: ::c_int = 0x00000000;
pub const LINUX_REBOOT_CMD_POWER_OFF: ::c_int = 0x4321FEDC;
pub const LINUX_REBOOT_CMD_RESTART2: ::c_int = 0xA1B2C3D4;
pub const LINUX_REBOOT_CMD_SW_SUSPEND: ::c_int = 0xD000FCE2;
pub const LINUX_REBOOT_CMD_KEXEC: ::c_int = 0x45584543;

pub const MCL_CURRENT: ::c_int = 0x0001;
pub const MCL_FUTURE: ::c_int = 0x0002;

pub const CBAUD: ::tcflag_t = 0o0010017;
pub const TAB1: ::tcflag_t = 0x00000800;
pub const TAB2: ::tcflag_t = 0x00001000;
pub const TAB3: ::tcflag_t = 0x00001800;
pub const CR1: ::tcflag_t = 0x00000200;
pub const CR2: ::tcflag_t = 0x00000400;
pub const CR3: ::tcflag_t = 0x00000600;
pub const FF1: ::tcflag_t = 0x00008000;
pub const BS1: ::tcflag_t = 0x00002000;
pub const VT1: ::tcflag_t = 0x00004000;
pub const VWERASE: usize = 14;
pub const VREPRINT: usize = 12;
pub const VSUSP: usize = 10;
pub const VSTART: usize = 8;
pub const VSTOP: usize = 9;
pub const VDISCARD: usize = 13;
pub const VTIME: usize = 5;
pub const IXON: ::tcflag_t = 0x00000400;
pub const IXOFF: ::tcflag_t = 0x00001000;
pub const ONLCR: ::tcflag_t = 0x4;
pub const CSIZE: ::tcflag_t = 0x00000030;
pub const CS6: ::tcflag_t = 0x00000010;
pub const CS7: ::tcflag_t = 0x00000020;
pub const CS8: ::tcflag_t = 0x00000030;
pub const CSTOPB: ::tcflag_t = 0x00000040;
pub const CREAD: ::tcflag_t = 0x00000080;
pub const PARENB: ::tcflag_t = 0x00000100;
pub const PARODD: ::tcflag_t = 0x00000200;
pub const HUPCL: ::tcflag_t = 0x00000400;
pub const CLOCAL: ::tcflag_t = 0x00000800;
pub const ECHOKE: ::tcflag_t = 0x00000800;
pub const ECHOE: ::tcflag_t = 0x00000010;
pub const ECHOK: ::tcflag_t = 0x00000020;
pub const ECHONL: ::tcflag_t = 0x00000040;
pub const ECHOPRT: ::tcflag_t = 0x00000400;
pub const ECHOCTL: ::tcflag_t = 0x00000200;
pub const ISIG: ::tcflag_t = 0x00000001;
pub const ICANON: ::tcflag_t = 0x00000002;
pub const PENDIN: ::tcflag_t = 0x00004000;
pub const NOFLSH: ::tcflag_t = 0x00000080;
pub const VSWTC: usize = 7;
pub const OLCUC:  ::tcflag_t = 0o000002;
pub const NLDLY:  ::tcflag_t = 0o000400;
pub const CRDLY:  ::tcflag_t = 0o003000;
pub const TABDLY: ::tcflag_t = 0o014000;
pub const BSDLY:  ::tcflag_t = 0o020000;
pub const FFDLY:  ::tcflag_t = 0o100000;
pub const VTDLY:  ::tcflag_t = 0o040000;
pub const XTABS:  ::tcflag_t = 0o014000;

pub const B0: ::speed_t = 0o000000;
pub const B50: ::speed_t = 0o000001;
pub const B75: ::speed_t = 0o000002;
pub const B110: ::speed_t = 0o000003;
pub const B134: ::speed_t = 0o000004;
pub const B150: ::speed_t = 0o000005;
pub const B200: ::speed_t = 0o000006;
pub const B300: ::speed_t = 0o000007;
pub const B600: ::speed_t = 0o000010;
pub const B1200: ::speed_t = 0o000011;
pub const B1800: ::speed_t = 0o000012;
pub const B2400: ::speed_t = 0o000013;
pub const B4800: ::speed_t = 0o000014;
pub const B9600: ::speed_t = 0o000015;
pub const B19200: ::speed_t = 0o000016;
pub const B38400: ::speed_t = 0o000017;
pub const EXTA: ::speed_t = B19200;
pub const EXTB: ::speed_t = B38400;
pub const BOTHER: ::speed_t = 0o010000;
pub const B57600: ::speed_t = 0o010001;
pub const B115200: ::speed_t = 0o010002;
pub const B230400: ::speed_t = 0o010003;
pub const B460800: ::speed_t = 0o010004;
pub const B500000: ::speed_t = 0o010005;
pub const B576000: ::speed_t = 0o010006;
pub const B921600: ::speed_t = 0o010007;
pub const B1000000: ::speed_t = 0o010010;
pub const B1152000: ::speed_t = 0o010011;
pub const B1500000: ::speed_t = 0o010012;
pub const B2000000: ::speed_t = 0o010013;
pub const B2500000: ::speed_t = 0o010014;
pub const B3000000: ::speed_t = 0o010015;
pub const B3500000: ::speed_t = 0o010016;
pub const B4000000: ::speed_t = 0o010017;

pub const EAI_AGAIN: ::c_int = 2;
pub const EAI_BADFLAGS: ::c_int = 3;
pub const EAI_FAIL: ::c_int = 4;
pub const EAI_FAMILY: ::c_int = 5;
pub const EAI_MEMORY: ::c_int = 6;
pub const EAI_NODATA: ::c_int = 7;
pub const EAI_NONAME: ::c_int = 8;
pub const EAI_SERVICE: ::c_int = 9;
pub const EAI_SOCKTYPE: ::c_int = 10;
pub const EAI_SYSTEM: ::c_int = 11;
pub const EAI_OVERFLOW: ::c_int = 14;

pub const NETLINK_ROUTE: ::c_int = 0;
pub const NETLINK_UNUSED: ::c_int = 1;
pub const NETLINK_USERSOCK: ::c_int = 2;
pub const NETLINK_FIREWALL: ::c_int = 3;
pub const NETLINK_SOCK_DIAG: ::c_int = 4;
pub const NETLINK_NFLOG: ::c_int = 5;
pub const NETLINK_XFRM: ::c_int = 6;
pub const NETLINK_SELINUX: ::c_int = 7;
pub const NETLINK_ISCSI: ::c_int = 8;
pub const NETLINK_AUDIT: ::c_int = 9;
pub const NETLINK_FIB_LOOKUP: ::c_int = 10;
pub const NETLINK_CONNECTOR: ::c_int = 11;
pub const NETLINK_NETFILTER: ::c_int = 12;
pub const NETLINK_IP6_FW: ::c_int = 13;
pub const NETLINK_DNRTMSG: ::c_int = 14;
pub const NETLINK_KOBJECT_UEVENT: ::c_int = 15;
pub const NETLINK_GENERIC: ::c_int = 16;
pub const NETLINK_SCSITRANSPORT: ::c_int = 18;
pub const NETLINK_ECRYPTFS: ::c_int = 19;
pub const NETLINK_RDMA: ::c_int = 20;
pub const NETLINK_CRYPTO: ::c_int = 21;
pub const NETLINK_INET_DIAG: ::c_int = NETLINK_SOCK_DIAG;

pub const MAX_LINKS: ::c_int = 32;

pub const NLM_F_REQUEST: ::c_int = 1;
pub const NLM_F_MULTI: ::c_int = 2;
pub const NLM_F_ACK: ::c_int = 4;
pub const NLM_F_ECHO: ::c_int = 8;
pub const NLM_F_DUMP_INTR: ::c_int = 16;

pub const NLM_F_ROOT: ::c_int = 0x100;
pub const NLM_F_MATCH: ::c_int = 0x200;
pub const NLM_F_ATOMIC: ::c_int = 0x400;
pub const NLM_F_DUMP: ::c_int = NLM_F_ROOT | NLM_F_MATCH;

pub const NLM_F_REPLACE: ::c_int = 0x100;
pub const NLM_F_EXCL: ::c_int = 0x200;
pub const NLM_F_CREATE: ::c_int = 0x400;
pub const NLM_F_APPEND: ::c_int = 0x800;

pub const NLMSG_NOOP: ::c_int = 0x1;
pub const NLMSG_ERROR: ::c_int = 0x2;
pub const NLMSG_DONE: ::c_int = 0x3;
pub const NLMSG_OVERRUN: ::c_int = 0x4;
pub const NLMSG_MIN_TYPE: ::c_int = 0x10;

pub const GENL_NAMSIZ: ::c_int = 16;

pub const GENL_MIN_ID: ::c_int = NLMSG_MIN_TYPE;
pub const GENL_MAX_ID: ::c_int = 1023;

pub const GENL_ADMIN_PERM: ::c_int = 0x01;
pub const GENL_CMD_CAP_DO: ::c_int = 0x02;
pub const GENL_CMD_CAP_DUMP: ::c_int = 0x04;
pub const GENL_CMD_CAP_HASPOL: ::c_int = 0x08;
pub const GENL_UNS_ADMIN_PERM: ::c_int = 0x10;

pub const GENL_ID_CTRL: ::c_int = NLMSG_MIN_TYPE;
pub const GENL_ID_VFS_DQUOT: ::c_int = NLMSG_MIN_TYPE + 1;
pub const GENL_ID_PMCRAID: ::c_int = NLMSG_MIN_TYPE + 2;

pub const CTRL_CMD_UNSPEC: ::c_int = 0;
pub const CTRL_CMD_NEWFAMILY: ::c_int = 1;
pub const CTRL_CMD_DELFAMILY: ::c_int = 2;
pub const CTRL_CMD_GETFAMILY: ::c_int = 3;
pub const CTRL_CMD_NEWOPS: ::c_int = 4;
pub const CTRL_CMD_DELOPS: ::c_int = 5;
pub const CTRL_CMD_GETOPS: ::c_int = 6;
pub const CTRL_CMD_NEWMCAST_GRP: ::c_int = 7;
pub const CTRL_CMD_DELMCAST_GRP: ::c_int = 8;
pub const CTRL_CMD_GETMCAST_GRP: ::c_int = 9;

pub const CTRL_ATTR_UNSPEC: ::c_int = 0;
pub const CTRL_ATTR_FAMILY_ID: ::c_int = 1;
pub const CTRL_ATTR_FAMILY_NAME: ::c_int = 2;
pub const CTRL_ATTR_VERSION: ::c_int = 3;
pub const CTRL_ATTR_HDRSIZE: ::c_int = 4;
pub const CTRL_ATTR_MAXATTR: ::c_int = 5;
pub const CTRL_ATTR_OPS: ::c_int = 6;
pub const CTRL_ATTR_MCAST_GROUPS: ::c_int = 7;

pub const CTRL_ATTR_OP_UNSPEC: ::c_int = 0;
pub const CTRL_ATTR_OP_ID: ::c_int = 1;
pub const CTRL_ATTR_OP_FLAGS: ::c_int = 2;

pub const CTRL_ATTR_MCAST_GRP_UNSPEC: ::c_int = 0;
pub const CTRL_ATTR_MCAST_GRP_NAME: ::c_int = 1;
pub const CTRL_ATTR_MCAST_GRP_ID: ::c_int = 2;

pub const NETLINK_ADD_MEMBERSHIP: ::c_int = 1;
pub const NETLINK_DROP_MEMBERSHIP: ::c_int = 2;
pub const NETLINK_PKTINFO: ::c_int = 3;
pub const NETLINK_BROADCAST_ERROR: ::c_int = 4;
pub const NETLINK_NO_ENOBUFS: ::c_int = 5;
pub const NETLINK_RX_RING: ::c_int = 6;
pub const NETLINK_TX_RING: ::c_int = 7;

pub const GRND_NONBLOCK: ::c_uint = 0x0001;
pub const GRND_RANDOM: ::c_uint = 0x0002;

pub const SECCOMP_MODE_DISABLED: ::c_uint = 0;
pub const SECCOMP_MODE_STRICT: ::c_uint = 1;
pub const SECCOMP_MODE_FILTER: ::c_uint = 2;

pub const NLA_F_NESTED: ::c_int = 1 << 15;
pub const NLA_F_NET_BYTEORDER: ::c_int = 1 << 14;
pub const NLA_TYPE_MASK: ::c_int = !(NLA_F_NESTED | NLA_F_NET_BYTEORDER);

pub const NLA_ALIGNTO: ::c_int = 4;

pub const SIGEV_THREAD_ID: ::c_int = 4;

pub const CIBAUD: ::tcflag_t = 0o02003600000;
pub const CBAUDEX: ::tcflag_t = 0o010000;

pub const TIOCM_LE: ::c_int = 0x001;
pub const TIOCM_DTR: ::c_int = 0x002;
pub const TIOCM_RTS: ::c_int = 0x004;
pub const TIOCM_ST: ::c_int = 0x008;
pub const TIOCM_SR: ::c_int = 0x010;
pub const TIOCM_CTS: ::c_int = 0x020;
pub const TIOCM_CAR: ::c_int = 0x040;
pub const TIOCM_RNG: ::c_int = 0x080;
pub const TIOCM_DSR: ::c_int = 0x100;
pub const TIOCM_CD: ::c_int = TIOCM_CAR;
pub const TIOCM_RI: ::c_int = TIOCM_RNG;

pub const POLLWRNORM: ::c_short = 0x100;
pub const POLLWRBAND: ::c_short = 0x200;

pub const SFD_CLOEXEC: ::c_int = O_CLOEXEC;
pub const SFD_NONBLOCK: ::c_int = O_NONBLOCK;

pub const SOCK_NONBLOCK: ::c_int = O_NONBLOCK;

pub const SO_ORIGINAL_DST: ::c_int = 80;
pub const IP_ORIGDSTADDR : ::c_int = 20;
pub const IP_RECVORIGDSTADDR : ::c_int = IP_ORIGDSTADDR;
pub const IPV6_ORIGDSTADDR : ::c_int = 74;
pub const IPV6_RECVORIGDSTADDR : ::c_int = IPV6_ORIGDSTADDR;
pub const IPV6_FLOWINFO: ::c_int = 11;
pub const IPV6_FLOWLABEL_MGR: ::c_int = 32;
pub const IPV6_FLOWINFO_SEND: ::c_int = 33;
pub const IPV6_FLOWINFO_FLOWLABEL: ::c_int = 0x000fffff;
pub const IPV6_FLOWINFO_PRIORITY: ::c_int = 0x0ff00000;
pub const IUTF8: ::tcflag_t = 0x00004000;
pub const CMSPAR: ::tcflag_t = 0o10000000000;
pub const O_TMPFILE: ::c_int = 0o20000000 | O_DIRECTORY;

pub const MFD_CLOEXEC: ::c_uint = 0x0001;
pub const MFD_ALLOW_SEALING: ::c_uint = 0x0002;
pub const MFD_HUGETLB: ::c_uint = 0x0004;

// linux/netfilter.h
pub const NF_DROP: ::c_int = 0;
pub const NF_ACCEPT: ::c_int =  1;
pub const NF_STOLEN: ::c_int =  2;
pub const NF_QUEUE: ::c_int =  3;
pub const NF_REPEAT: ::c_int =  4;
pub const NF_STOP: ::c_int =  5;
pub const NF_MAX_VERDICT: ::c_int = NF_STOP;

pub const NF_VERDICT_MASK: ::c_int = 0x000000ff;
pub const NF_VERDICT_FLAG_QUEUE_BYPASS: ::c_int = 0x00008000;

pub const NF_VERDICT_QMASK: ::c_int = 0xffff0000;
pub const NF_VERDICT_QBITS: ::c_int = 16;

pub const NF_VERDICT_BITS: ::c_int = 16;

pub const NF_INET_PRE_ROUTING: ::c_int = 0;
pub const NF_INET_LOCAL_IN: ::c_int = 1;
pub const NF_INET_FORWARD: ::c_int = 2;
pub const NF_INET_LOCAL_OUT: ::c_int = 3;
pub const NF_INET_POST_ROUTING: ::c_int = 4;
pub const NF_INET_NUMHOOKS: ::c_int = 5;

pub const NF_NETDEV_INGRESS: ::c_int = 0;
pub const NF_NETDEV_NUMHOOKS: ::c_int = 1;

pub const NFPROTO_UNSPEC: ::c_int = 0;
pub const NFPROTO_INET: ::c_int = 1;
pub const NFPROTO_IPV4: ::c_int = 2;
pub const NFPROTO_ARP: ::c_int = 3;
pub const NFPROTO_NETDEV: ::c_int = 5;
pub const NFPROTO_BRIDGE: ::c_int = 7;
pub const NFPROTO_IPV6: ::c_int = 10;
pub const NFPROTO_DECNET: ::c_int = 12;
pub const NFPROTO_NUMPROTO: ::c_int = 13;

// linux/netfilter_ipv4.h
pub const NF_IP_PRE_ROUTING: ::c_int = 0;
pub const NF_IP_LOCAL_IN: ::c_int = 1;
pub const NF_IP_FORWARD: ::c_int = 2;
pub const NF_IP_LOCAL_OUT: ::c_int = 3;
pub const NF_IP_POST_ROUTING: ::c_int = 4;
pub const NF_IP_NUMHOOKS: ::c_int = 5;

pub const NF_IP_PRI_FIRST: ::c_int = ::INT_MIN;
pub const NF_IP_PRI_CONNTRACK_DEFRAG: ::c_int = -400;
pub const NF_IP_PRI_RAW: ::c_int = -300;
pub const NF_IP_PRI_SELINUX_FIRST: ::c_int = -225;
pub const NF_IP_PRI_CONNTRACK: ::c_int = -200;
pub const NF_IP_PRI_MANGLE: ::c_int = -150;
pub const NF_IP_PRI_NAT_DST: ::c_int = -100;
pub const NF_IP_PRI_FILTER: ::c_int = 0;
pub const NF_IP_PRI_SECURITY: ::c_int = 50;
pub const NF_IP_PRI_NAT_SRC: ::c_int = 100;
pub const NF_IP_PRI_SELINUX_LAST: ::c_int = 225;
pub const NF_IP_PRI_CONNTRACK_HELPER: ::c_int = 300;
pub const NF_IP_PRI_CONNTRACK_CONFIRM: ::c_int = ::INT_MAX;
pub const NF_IP_PRI_LAST: ::c_int = ::INT_MAX;

// linux/netfilter_ipv6.h
pub const NF_IP6_PRE_ROUTING: ::c_int = 0;
pub const NF_IP6_LOCAL_IN: ::c_int = 1;
pub const NF_IP6_FORWARD: ::c_int = 2;
pub const NF_IP6_LOCAL_OUT: ::c_int = 3;
pub const NF_IP6_POST_ROUTING: ::c_int = 4;
pub const NF_IP6_NUMHOOKS: ::c_int = 5;

pub const NF_IP6_PRI_FIRST: ::c_int = ::INT_MIN;
pub const NF_IP6_PRI_CONNTRACK_DEFRAG: ::c_int = -400;
pub const NF_IP6_PRI_RAW: ::c_int = -300;
pub const NF_IP6_PRI_SELINUX_FIRST: ::c_int = -225;
pub const NF_IP6_PRI_CONNTRACK: ::c_int = -200;
pub const NF_IP6_PRI_MANGLE: ::c_int = -150;
pub const NF_IP6_PRI_NAT_DST: ::c_int = -100;
pub const NF_IP6_PRI_FILTER: ::c_int = 0;
pub const NF_IP6_PRI_SECURITY: ::c_int = 50;
pub const NF_IP6_PRI_NAT_SRC: ::c_int = 100;
pub const NF_IP6_PRI_SELINUX_LAST: ::c_int = 225;
pub const NF_IP6_PRI_CONNTRACK_HELPER: ::c_int = 300;
pub const NF_IP6_PRI_LAST: ::c_int = ::INT_MAX;

// linux/netfilter/nf_tables.h
pub const NFT_TABLE_MAXNAMELEN: ::c_int = 256;
pub const NFT_CHAIN_MAXNAMELEN: ::c_int = 256;
pub const NFT_SET_MAXNAMELEN: ::c_int = 256;
pub const NFT_OBJ_MAXNAMELEN: ::c_int = 256;
pub const NFT_USERDATA_MAXLEN: ::c_int = 256;

pub const NFT_REG_VERDICT: ::c_int = 0;
pub const NFT_REG_1: ::c_int = 1;
pub const NFT_REG_2: ::c_int = 2;
pub const NFT_REG_3: ::c_int = 3;
pub const NFT_REG_4: ::c_int = 4;
pub const __NFT_REG_MAX: ::c_int = 5;
pub const NFT_REG32_00: ::c_int = 8;
pub const NFT_REG32_01: ::c_int = 9;
pub const NFT_REG32_02: ::c_int = 10;
pub const NFT_REG32_03: ::c_int = 11;
pub const NFT_REG32_04: ::c_int = 12;
pub const NFT_REG32_05: ::c_int = 13;
pub const NFT_REG32_06: ::c_int = 14;
pub const NFT_REG32_07: ::c_int = 15;
pub const NFT_REG32_08: ::c_int = 16;
pub const NFT_REG32_09: ::c_int = 17;
pub const NFT_REG32_10: ::c_int = 18;
pub const NFT_REG32_11: ::c_int = 19;
pub const NFT_REG32_12: ::c_int = 20;
pub const NFT_REG32_13: ::c_int = 21;
pub const NFT_REG32_14: ::c_int = 22;
pub const NFT_REG32_15: ::c_int = 23;

pub const NFT_REG_SIZE: ::c_int = 16;
pub const NFT_REG32_SIZE: ::c_int = 4;

pub const NFT_CONTINUE: ::c_int = -1;
pub const NFT_BREAK: ::c_int = -2;
pub const NFT_JUMP: ::c_int = -3;
pub const NFT_GOTO: ::c_int = -4;
pub const NFT_RETURN: ::c_int = -5;

pub const NFT_MSG_NEWTABLE: ::c_int = 0;
pub const NFT_MSG_GETTABLE: ::c_int = 1;
pub const NFT_MSG_DELTABLE: ::c_int = 2;
pub const NFT_MSG_NEWCHAIN: ::c_int = 3;
pub const NFT_MSG_GETCHAIN: ::c_int = 4;
pub const NFT_MSG_DELCHAIN: ::c_int = 5;
pub const NFT_MSG_NEWRULE: ::c_int = 6;
pub const NFT_MSG_GETRULE: ::c_int = 7;
pub const NFT_MSG_DELRULE: ::c_int = 8;
pub const NFT_MSG_NEWSET: ::c_int = 9;
pub const NFT_MSG_GETSET: ::c_int = 10;
pub const NFT_MSG_DELSET: ::c_int = 11;
pub const NFT_MSG_NEWSETELEM: ::c_int = 12;
pub const NFT_MSG_GETSETELEM: ::c_int = 13;
pub const NFT_MSG_DELSETELEM: ::c_int = 14;
pub const NFT_MSG_NEWGEN: ::c_int = 15;
pub const NFT_MSG_GETGEN: ::c_int = 16;
pub const NFT_MSG_TRACE: ::c_int = 17;
pub const NFT_MSG_NEWOBJ: ::c_int = 18;
pub const NFT_MSG_GETOBJ: ::c_int = 19;
pub const NFT_MSG_DELOBJ: ::c_int = 20;
pub const NFT_MSG_GETOBJ_RESET: ::c_int = 21;
pub const NFT_MSG_MAX: ::c_int = 25;

pub const NFT_SET_ANONYMOUS: ::c_int = 0x1;
pub const NFT_SET_CONSTANT: ::c_int = 0x2;
pub const NFT_SET_INTERVAL: ::c_int = 0x4;
pub const NFT_SET_MAP: ::c_int = 0x8;
pub const NFT_SET_TIMEOUT: ::c_int = 0x10;
pub const NFT_SET_EVAL: ::c_int = 0x20;

pub const NFT_SET_POL_PERFORMANCE: ::c_int = 0;
pub const NFT_SET_POL_MEMORY: ::c_int = 1;

pub const NFT_SET_ELEM_INTERVAL_END: ::c_int = 0x1;

pub const NFT_DATA_VALUE: ::c_uint = 0;
pub const NFT_DATA_VERDICT: ::c_uint = 0xffffff00;

pub const NFT_DATA_RESERVED_MASK: ::c_uint = 0xffffff00;

pub const NFT_DATA_VALUE_MAXLEN: ::c_int = 64;

pub const NFT_BYTEORDER_NTOH: ::c_int = 0;
pub const NFT_BYTEORDER_HTON: ::c_int = 1;

pub const NFT_CMP_EQ: ::c_int = 0;
pub const NFT_CMP_NEQ: ::c_int = 1;
pub const NFT_CMP_LT: ::c_int = 2;
pub const NFT_CMP_LTE: ::c_int = 3;
pub const NFT_CMP_GT: ::c_int = 4;
pub const NFT_CMP_GTE: ::c_int = 5;

pub const NFT_RANGE_EQ: ::c_int = 0;
pub const NFT_RANGE_NEQ: ::c_int = 1;

pub const NFT_LOOKUP_F_INV: ::c_int = (1 << 0);

pub const NFT_DYNSET_OP_ADD: ::c_int = 0;
pub const NFT_DYNSET_OP_UPDATE: ::c_int = 1;

pub const NFT_DYNSET_F_INV: ::c_int = (1 << 0);

pub const NFT_PAYLOAD_LL_HEADER: ::c_int = 0;
pub const NFT_PAYLOAD_NETWORK_HEADER: ::c_int = 1;
pub const NFT_PAYLOAD_TRANSPORT_HEADER: ::c_int = 2;

pub const NFT_PAYLOAD_CSUM_NONE: ::c_int = 0;
pub const NFT_PAYLOAD_CSUM_INET: ::c_int = 1;

pub const NFT_META_LEN: ::c_int = 0;
pub const NFT_META_PROTOCOL: ::c_int = 1;
pub const NFT_META_PRIORITY: ::c_int = 2;
pub const NFT_META_MARK: ::c_int = 3;
pub const NFT_META_IIF: ::c_int = 4;
pub const NFT_META_OIF: ::c_int = 5;
pub const NFT_META_IIFNAME: ::c_int = 6;
pub const NFT_META_OIFNAME: ::c_int = 7;
pub const NFT_META_IIFTYPE: ::c_int = 8;
pub const NFT_META_OIFTYPE: ::c_int = 9;
pub const NFT_META_SKUID: ::c_int = 10;
pub const NFT_META_SKGID: ::c_int = 11;
pub const NFT_META_NFTRACE: ::c_int = 12;
pub const NFT_META_RTCLASSID: ::c_int = 13;
pub const NFT_META_SECMARK: ::c_int = 14;
pub const NFT_META_NFPROTO: ::c_int = 15;
pub const NFT_META_L4PROTO: ::c_int = 16;
pub const NFT_META_BRI_IIFNAME: ::c_int = 17;
pub const NFT_META_BRI_OIFNAME: ::c_int = 18;
pub const NFT_META_PKTTYPE: ::c_int = 19;
pub const NFT_META_CPU: ::c_int = 20;
pub const NFT_META_IIFGROUP: ::c_int = 21;
pub const NFT_META_OIFGROUP: ::c_int = 22;
pub const NFT_META_CGROUP: ::c_int = 23;
pub const NFT_META_PRANDOM: ::c_int = 24;

pub const NFT_CT_STATE: ::c_int = 0;
pub const NFT_CT_DIRECTION: ::c_int = 1;
pub const NFT_CT_STATUS: ::c_int = 2;
pub const NFT_CT_MARK: ::c_int = 3;
pub const NFT_CT_SECMARK: ::c_int = 4;
pub const NFT_CT_EXPIRATION: ::c_int = 5;
pub const NFT_CT_HELPER: ::c_int = 6;
pub const NFT_CT_L3PROTOCOL: ::c_int = 7;
pub const NFT_CT_SRC: ::c_int = 8;
pub const NFT_CT_DST: ::c_int = 9;
pub const NFT_CT_PROTOCOL: ::c_int = 10;
pub const NFT_CT_PROTO_SRC: ::c_int = 11;
pub const NFT_CT_PROTO_DST: ::c_int = 12;
pub const NFT_CT_LABELS: ::c_int = 13;
pub const NFT_CT_PKTS: ::c_int = 14;
pub const NFT_CT_BYTES: ::c_int = 15;

pub const NFT_LIMIT_PKTS: ::c_int = 0;
pub const NFT_LIMIT_PKT_BYTES: ::c_int = 1;

pub const NFT_LIMIT_F_INV: ::c_int = (1 << 0);

pub const NFT_QUEUE_FLAG_BYPASS: ::c_int = 0x01;
pub const NFT_QUEUE_FLAG_CPU_FANOUT: ::c_int = 0x02;
pub const NFT_QUEUE_FLAG_MASK: ::c_int = 0x03;

pub const NFT_QUOTA_F_INV: ::c_int = (1 << 0);

pub const NFT_REJECT_ICMP_UNREACH: ::c_int = 0;
pub const NFT_REJECT_TCP_RST: ::c_int = 1;
pub const NFT_REJECT_ICMPX_UNREACH: ::c_int = 2;

pub const NFT_REJECT_ICMPX_NO_ROUTE: ::c_int = 0;
pub const NFT_REJECT_ICMPX_PORT_UNREACH: ::c_int = 1;
pub const NFT_REJECT_ICMPX_HOST_UNREACH: ::c_int = 2;
pub const NFT_REJECT_ICMPX_ADMIN_PROHIBITED: ::c_int = 3;

pub const NFT_NAT_SNAT: ::c_int = 0;
pub const NFT_NAT_DNAT: ::c_int = 1;

pub const NFT_TRACETYPE_UNSPEC: ::c_int = 0;
pub const NFT_TRACETYPE_POLICY: ::c_int = 1;
pub const NFT_TRACETYPE_RETURN: ::c_int = 2;
pub const NFT_TRACETYPE_RULE: ::c_int = 3;

pub const NFT_NG_INCREMENTAL: ::c_int = 0;
pub const NFT_NG_RANDOM: ::c_int = 1;

pub const IFF_TUN: ::c_int = 0x0001;
pub const IFF_TAP: ::c_int = 0x0002;
pub const IFF_NO_PI: ::c_int = 0x1000;

// start android/platform/bionic/libc/kernel/uapi/linux/if_ether.h
// from https://android.googlesource.com/
// platform/bionic/+/master/libc/kernel/uapi/linux/if_ether.h
pub const ETH_ALEN: ::c_int = 6;
pub const ETH_HLEN: ::c_int = 14;
pub const ETH_ZLEN: ::c_int = 60;
pub const ETH_DATA_LEN: ::c_int = 1500;
pub const ETH_FRAME_LEN: ::c_int = 1514;
pub const ETH_FCS_LEN: ::c_int = 4;
pub const ETH_MIN_MTU: ::c_int = 68;
pub const ETH_MAX_MTU: ::c_int = 0xFFFF;
pub const ETH_P_LOOP: ::c_int = 0x0060;
pub const ETH_P_PUP: ::c_int = 0x0200;
pub const ETH_P_PUPAT: ::c_int = 0x0201;
pub const ETH_P_TSN: ::c_int = 0x22F0;
pub const ETH_P_IP: ::c_int = 0x0800;
pub const ETH_P_X25: ::c_int = 0x0805;
pub const ETH_P_ARP: ::c_int = 0x0806;
pub const ETH_P_BPQ: ::c_int = 0x08FF;
pub const ETH_P_IEEEPUP: ::c_int = 0x0a00;
pub const ETH_P_IEEEPUPAT: ::c_int = 0x0a01;
pub const ETH_P_BATMAN: ::c_int = 0x4305;
pub const ETH_P_DEC: ::c_int = 0x6000;
pub const ETH_P_DNA_DL: ::c_int = 0x6001;
pub const ETH_P_DNA_RC: ::c_int = 0x6002;
pub const ETH_P_DNA_RT: ::c_int = 0x6003;
pub const ETH_P_LAT: ::c_int = 0x6004;
pub const ETH_P_DIAG: ::c_int = 0x6005;
pub const ETH_P_CUST: ::c_int = 0x6006;
pub const ETH_P_SCA: ::c_int = 0x6007;
pub const ETH_P_TEB: ::c_int = 0x6558;
pub const ETH_P_RARP: ::c_int = 0x8035;
pub const ETH_P_ATALK: ::c_int = 0x809B;
pub const ETH_P_AARP: ::c_int = 0x80F3;
pub const ETH_P_8021Q: ::c_int = 0x8100;
/* see rust-lang/libc#924 pub const ETH_P_ERSPAN: ::c_int = 0x88BE;*/
pub const ETH_P_IPX: ::c_int = 0x8137;
pub const ETH_P_IPV6: ::c_int = 0x86DD;
pub const ETH_P_PAUSE: ::c_int = 0x8808;
pub const ETH_P_SLOW: ::c_int = 0x8809;
pub const ETH_P_WCCP: ::c_int = 0x883E;
pub const ETH_P_MPLS_UC: ::c_int = 0x8847;
pub const ETH_P_MPLS_MC: ::c_int = 0x8848;
pub const ETH_P_ATMMPOA: ::c_int = 0x884c;
pub const ETH_P_PPP_DISC: ::c_int = 0x8863;
pub const ETH_P_PPP_SES: ::c_int = 0x8864;
pub const ETH_P_LINK_CTL: ::c_int = 0x886c;
pub const ETH_P_ATMFATE: ::c_int = 0x8884;
pub const ETH_P_PAE: ::c_int = 0x888E;
pub const ETH_P_AOE: ::c_int = 0x88A2;
pub const ETH_P_8021AD: ::c_int = 0x88A8;
pub const ETH_P_802_EX1: ::c_int = 0x88B5;
pub const ETH_P_TIPC: ::c_int = 0x88CA;
pub const ETH_P_MACSEC: ::c_int = 0x88E5;
pub const ETH_P_8021AH: ::c_int = 0x88E7;
pub const ETH_P_MVRP: ::c_int = 0x88F5;
pub const ETH_P_1588: ::c_int = 0x88F7;
pub const ETH_P_NCSI: ::c_int = 0x88F8;
pub const ETH_P_PRP: ::c_int = 0x88FB;
pub const ETH_P_FCOE: ::c_int = 0x8906;
/* see rust-lang/libc#924 pub const ETH_P_IBOE: ::c_int = 0x8915;*/
pub const ETH_P_TDLS: ::c_int = 0x890D;
pub const ETH_P_FIP: ::c_int = 0x8914;
pub const ETH_P_80221: ::c_int = 0x8917;
pub const ETH_P_HSR: ::c_int = 0x892F;
/* see rust-lang/libc#924 pub const ETH_P_NSH: ::c_int = 0x894F;*/
pub const ETH_P_LOOPBACK: ::c_int = 0x9000;
pub const ETH_P_QINQ1: ::c_int = 0x9100;
pub const ETH_P_QINQ2: ::c_int = 0x9200;
pub const ETH_P_QINQ3: ::c_int = 0x9300;
pub const ETH_P_EDSA: ::c_int = 0xDADA;
/* see rust-lang/libc#924 pub const ETH_P_IFE: ::c_int = 0xED3E;*/
pub const ETH_P_AF_IUCV: ::c_int = 0xFBFB;
pub const ETH_P_802_3_MIN: ::c_int = 0x0600;
pub const ETH_P_802_3: ::c_int = 0x0001;
pub const ETH_P_AX25: ::c_int = 0x0002;
pub const ETH_P_ALL: ::c_int = 0x0003;
pub const ETH_P_802_2: ::c_int = 0x0004;
pub const ETH_P_SNAP: ::c_int = 0x0005;
pub const ETH_P_DDCMP: ::c_int = 0x0006;
pub const ETH_P_WAN_PPP: ::c_int = 0x0007;
pub const ETH_P_PPP_MP: ::c_int = 0x0008;
pub const ETH_P_LOCALTALK: ::c_int = 0x0009;
pub const ETH_P_CAN: ::c_int = 0x000C;
pub const ETH_P_CANFD: ::c_int = 0x000D;
pub const ETH_P_PPPTALK: ::c_int = 0x0010;
pub const ETH_P_TR_802_2: ::c_int = 0x0011;
pub const ETH_P_MOBITEX: ::c_int = 0x0015;
pub const ETH_P_CONTROL: ::c_int = 0x0016;
pub const ETH_P_IRDA: ::c_int = 0x0017;
pub const ETH_P_ECONET: ::c_int = 0x0018;
pub const ETH_P_HDLC: ::c_int = 0x0019;
pub const ETH_P_ARCNET: ::c_int = 0x001A;
pub const ETH_P_DSA: ::c_int = 0x001B;
pub const ETH_P_TRAILER: ::c_int = 0x001C;
pub const ETH_P_PHONET: ::c_int = 0x00F5;
pub const ETH_P_IEEE802154: ::c_int = 0x00F6;
pub const ETH_P_CAIF: ::c_int = 0x00F7;
pub const ETH_P_XDSA: ::c_int = 0x00F8;
/* see rust-lang/libc#924 pub const ETH_P_MAP: ::c_int = 0x00F9;*/
// end android/platform/bionic/libc/kernel/uapi/linux/if_ether.h

pub const SIOCADDRT: ::c_ulong = 0x0000890B;
pub const SIOCDELRT: ::c_ulong = 0x0000890C;
pub const SIOCGIFNAME: ::c_ulong = 0x00008910;
pub const SIOCSIFLINK: ::c_ulong = 0x00008911;
pub const SIOCGIFCONF: ::c_ulong = 0x00008912;
pub const SIOCGIFFLAGS: ::c_ulong = 0x00008913;
pub const SIOCSIFFLAGS: ::c_ulong = 0x00008914;
pub const SIOCGIFADDR: ::c_ulong = 0x00008915;
pub const SIOCSIFADDR: ::c_ulong = 0x00008916;
pub const SIOCGIFDSTADDR: ::c_ulong = 0x00008917;
pub const SIOCSIFDSTADDR: ::c_ulong = 0x00008918;
pub const SIOCGIFBRDADDR: ::c_ulong = 0x00008919;
pub const SIOCSIFBRDADDR: ::c_ulong = 0x0000891A;
pub const SIOCGIFNETMASK: ::c_ulong = 0x0000891B;
pub const SIOCSIFNETMASK: ::c_ulong = 0x0000891C;
pub const SIOCGIFMETRIC: ::c_ulong = 0x0000891D;
pub const SIOCSIFMETRIC: ::c_ulong = 0x0000891E;
pub const SIOCGIFMEM: ::c_ulong = 0x0000891F;
pub const SIOCSIFMEM: ::c_ulong = 0x00008920;
pub const SIOCGIFMTU: ::c_ulong = 0x00008921;
pub const SIOCSIFMTU: ::c_ulong = 0x00008922;
pub const SIOCSIFHWADDR: ::c_ulong = 0x00008924;
pub const SIOCGIFENCAP: ::c_ulong = 0x00008925;
pub const SIOCSIFENCAP: ::c_ulong = 0x00008926;
pub const SIOCGIFHWADDR: ::c_ulong = 0x00008927;
pub const SIOCGIFSLAVE: ::c_ulong = 0x00008929;
pub const SIOCSIFSLAVE: ::c_ulong = 0x00008930;
pub const SIOCADDMULTI: ::c_ulong = 0x00008931;
pub const SIOCDELMULTI: ::c_ulong = 0x00008932;
pub const SIOCDARP: ::c_ulong = 0x00008953;
pub const SIOCGARP: ::c_ulong = 0x00008954;
pub const SIOCSARP: ::c_ulong = 0x00008955;
pub const SIOCDRARP: ::c_ulong = 0x00008960;
pub const SIOCGRARP: ::c_ulong = 0x00008961;
pub const SIOCSRARP: ::c_ulong = 0x00008962;
pub const SIOCGIFMAP: ::c_ulong = 0x00008970;
pub const SIOCSIFMAP: ::c_ulong = 0x00008971;

// linux/module.h
pub const MODULE_INIT_IGNORE_MODVERSIONS: ::c_uint = 0x0001;
pub const MODULE_INIT_IGNORE_VERMAGIC: ::c_uint = 0x0002;

#[deprecated(
    since = "0.2.55",
    note = "ENOATTR is not available on Android; use ENODATA instead"
)]
pub const ENOATTR: ::c_int = ::ENODATA;

// linux/if_alg.h
pub const ALG_SET_KEY: ::c_int = 1;
pub const ALG_SET_IV: ::c_int = 2;
pub const ALG_SET_OP: ::c_int = 3;
pub const ALG_SET_AEAD_ASSOCLEN: ::c_int = 4;
pub const ALG_SET_AEAD_AUTHSIZE: ::c_int = 5;

pub const ALG_OP_DECRYPT: ::c_int = 0;
pub const ALG_OP_ENCRYPT: ::c_int = 1;

// uapi/linux/inotify.h
pub const IN_ACCESS:        u32 = 0x0000_0001;
pub const IN_MODIFY:        u32 = 0x0000_0002;
pub const IN_ATTRIB:        u32 = 0x0000_0004;
pub const IN_CLOSE_WRITE:   u32 = 0x0000_0008;
pub const IN_CLOSE_NOWRITE: u32 = 0x0000_0010;
pub const IN_CLOSE:         u32 = (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE);
pub const IN_OPEN:          u32 = 0x0000_0020;
pub const IN_MOVED_FROM:    u32 = 0x0000_0040;
pub const IN_MOVED_TO:      u32 = 0x0000_0080;
pub const IN_MOVE:          u32 = (IN_MOVED_FROM | IN_MOVED_TO);
pub const IN_CREATE:        u32 = 0x0000_0100;
pub const IN_DELETE:        u32 = 0x0000_0200;
pub const IN_DELETE_SELF:   u32 = 0x0000_0400;
pub const IN_MOVE_SELF:     u32 = 0x0000_0800;
pub const IN_UNMOUNT:       u32 = 0x0000_2000;
pub const IN_Q_OVERFLOW:    u32 = 0x0000_4000;
pub const IN_IGNORED:       u32 = 0x0000_8000;
pub const IN_ONLYDIR:       u32 = 0x0100_0000;
pub const IN_DONT_FOLLOW:   u32 = 0x0200_0000;
// pub const IN_EXCL_UNLINK:   u32 = 0x0400_0000;

// pub const IN_MASK_CREATE:   u32 = 0x1000_0000;
// pub const IN_MASK_ADD:      u32 = 0x2000_0000;
pub const IN_ISDIR:         u32 = 0x4000_0000;
pub const IN_ONESHOT:       u32 = 0x8000_0000;

pub const IN_ALL_EVENTS:    u32 = (
  IN_ACCESS | IN_MODIFY | IN_ATTRIB | IN_CLOSE_WRITE |
  IN_CLOSE_NOWRITE | IN_OPEN | IN_MOVED_FROM |
  IN_MOVED_TO | IN_DELETE | IN_CREATE | IN_DELETE_SELF |
  IN_MOVE_SELF
);

pub const IN_CLOEXEC: ::c_int = O_CLOEXEC;
pub const IN_NONBLOCK: ::c_int = O_NONBLOCK;

pub const FUTEX_WAIT: ::c_int = 0;
pub const FUTEX_WAKE: ::c_int = 1;
pub const FUTEX_FD: ::c_int = 2;
pub const FUTEX_REQUEUE: ::c_int = 3;
pub const FUTEX_CMP_REQUEUE: ::c_int = 4;
pub const FUTEX_WAKE_OP: ::c_int = 5;
pub const FUTEX_LOCK_PI: ::c_int = 6;
pub const FUTEX_UNLOCK_PI: ::c_int = 7;
pub const FUTEX_TRYLOCK_PI: ::c_int = 8;
pub const FUTEX_WAIT_BITSET: ::c_int = 9;
pub const FUTEX_WAKE_BITSET: ::c_int = 10;
pub const FUTEX_WAIT_REQUEUE_PI: ::c_int = 11;
pub const FUTEX_CMP_REQUEUE_PI: ::c_int = 12;

pub const FUTEX_PRIVATE_FLAG: ::c_int = 128;
pub const FUTEX_CLOCK_REALTIME: ::c_int = 256;
pub const FUTEX_CMD_MASK: ::c_int =
    !(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME);

f! {
    pub fn CMSG_NXTHDR(mhdr: *const msghdr,
                       cmsg: *const cmsghdr) -> *mut cmsghdr {
        let next = (cmsg as usize
                    + super::CMSG_ALIGN((*cmsg).cmsg_len as usize))
            as *mut cmsghdr;
        let max = (*mhdr).msg_control as usize
            + (*mhdr).msg_controllen as usize;
        if (next.offset(1)) as usize > max {
            0 as *mut cmsghdr
        } else {
            next as *mut cmsghdr
        }
    }

    pub fn CPU_ZERO(cpuset: &mut cpu_set_t) -> () {
        for slot in cpuset.__bits.iter_mut() {
            *slot = 0;
        }
    }

    pub fn CPU_SET(cpu: usize, cpuset: &mut cpu_set_t) -> () {
        let size_in___bits = 8 * ::mem::size_of_val(&cpuset.__bits[0]);
        let (idx, offset) = (cpu / size_in___bits, cpu % size_in___bits);
        cpuset.__bits[idx] |= 1 << offset;
        ()
    }

    pub fn CPU_CLR(cpu: usize, cpuset: &mut cpu_set_t) -> () {
        let size_in___bits = 8 * ::mem::size_of_val(&cpuset.__bits[0]);
        let (idx, offset) = (cpu / size_in___bits, cpu % size_in___bits);
        cpuset.__bits[idx] &= !(1 << offset);
        ()
    }

    pub fn CPU_ISSET(cpu: usize, cpuset: &cpu_set_t) -> bool {
        let size_in___bits = 8 * ::mem::size_of_val(&cpuset.__bits[0]);
        let (idx, offset) = (cpu / size_in___bits, cpu % size_in___bits);
        0 != (cpuset.__bits[idx] & (1 << offset))
    }

    pub fn CPU_EQUAL(set1: &cpu_set_t, set2: &cpu_set_t) -> bool {
        set1.__bits == set2.__bits
    }
    pub fn major(dev: ::dev_t) -> ::c_int {
        ((dev >> 8) & 0xfff) as ::c_int
    }
    pub fn minor(dev: ::dev_t) -> ::c_int {
        ((dev & 0xff) | ((dev >> 12) & 0xfff00)) as ::c_int
    }
    pub fn makedev(ma: ::c_int, mi: ::c_int) -> ::dev_t {
        let ma = ma as ::dev_t;
        let mi = mi as ::dev_t;
        ((ma & 0xfff) << 8) | (mi & 0xff) | ((mi & 0xfff00) << 12)
    }

    pub fn NLA_ALIGN(len: ::c_int) -> ::c_int {
        return ((len) + NLA_ALIGNTO - 1) & !(NLA_ALIGNTO - 1)
    }
}

extern {
    pub fn getrlimit64(resource: ::c_int,
                       rlim: *mut rlimit64) -> ::c_int;
    pub fn setrlimit64(resource: ::c_int,
                       rlim: *const rlimit64) -> ::c_int;
    pub fn getrlimit(resource: ::c_int, rlim: *mut ::rlimit) -> ::c_int;
    pub fn setrlimit(resource: ::c_int, rlim: *const ::rlimit) -> ::c_int;
    pub fn strerror_r(errnum: ::c_int, buf: *mut c_char,
                      buflen: ::size_t) -> ::c_int;

    pub fn gettimeofday(tp: *mut ::timeval,
                        tz: *mut ::timezone) -> ::c_int;
    pub fn madvise(addr: *mut ::c_void, len: ::size_t, advice: ::c_int)
                   -> ::c_int;
    pub fn ioctl(fd: ::c_int, request: ::c_int, ...) -> ::c_int;
    pub fn msync(addr: *mut ::c_void, len: ::size_t,
                 flags: ::c_int) -> ::c_int;
    pub fn mprotect(addr: *mut ::c_void, len: ::size_t, prot: ::c_int)
                    -> ::c_int;
    pub fn recvfrom(socket: ::c_int, buf: *mut ::c_void, len: ::size_t,
                    flags: ::c_int, addr: *mut ::sockaddr,
                    addrlen: *mut ::socklen_t) -> ::ssize_t;
    pub fn getnameinfo(sa: *const ::sockaddr,
                       salen: ::socklen_t,
                       host: *mut ::c_char,
                       hostlen: ::size_t,
                       serv: *mut ::c_char,
                       sevlen: ::size_t,
                       flags: ::c_int) -> ::c_int;
    pub fn ptrace(request: ::c_int, ...) -> ::c_long;
    pub fn getpriority(which: ::c_int, who: ::id_t) -> ::c_int;
    pub fn setpriority(which: ::c_int, who: ::id_t, prio: ::c_int) -> ::c_int;
    pub fn __sched_cpualloc(count: ::size_t) -> *mut ::cpu_set_t;
    pub fn __sched_cpufree(set: *mut ::cpu_set_t);
    pub fn __sched_cpucount(setsize: ::size_t,
                            set: *const cpu_set_t) -> ::c_int;
    pub fn sched_getcpu() -> ::c_int;

    pub fn utmpname(name: *const ::c_char) -> ::c_int;
    pub fn setutent();
    pub fn getutent() -> *mut utmp;

    pub fn posix_fallocate(fd: ::c_int, offset: ::off_t,
                           len: ::off_t) -> ::c_int;
    pub fn signalfd(fd: ::c_int, mask: *const ::sigset_t, flags: ::c_int)
                    -> ::c_int;
    pub fn syscall(num: ::c_long, ...) -> ::c_long;
    pub fn sched_getaffinity(pid: ::pid_t,
                             cpusetsize: ::size_t,
                             cpuset: *mut cpu_set_t) -> ::c_int;
    pub fn sched_setaffinity(pid: ::pid_t,
                             cpusetsize: ::size_t,
                             cpuset: *const cpu_set_t) -> ::c_int;
    pub fn epoll_create(size: ::c_int) -> ::c_int;
    pub fn epoll_create1(flags: ::c_int) -> ::c_int;
    pub fn epoll_wait(epfd: ::c_int,
                      events: *mut ::epoll_event,
                      maxevents: ::c_int,
                      timeout: ::c_int) -> ::c_int;
    pub fn epoll_ctl(epfd: ::c_int,
                     op: ::c_int,
                     fd: ::c_int,
                     event: *mut ::epoll_event) -> ::c_int;
    pub fn pthread_getschedparam(native: ::pthread_t,
                                 policy: *mut ::c_int,
                                 param: *mut ::sched_param) -> ::c_int;
    pub fn unshare(flags: ::c_int) -> ::c_int;
    pub fn umount(target: *const ::c_char) -> ::c_int;
    pub fn sched_get_priority_max(policy: ::c_int) -> ::c_int;
    pub fn tee(fd_in: ::c_int,
               fd_out: ::c_int,
               len: ::size_t,
               flags: ::c_uint) -> ::ssize_t;
    pub fn settimeofday(tv: *const ::timeval, tz: *const ::timezone) -> ::c_int;
    pub fn splice(fd_in: ::c_int,
                  off_in: *mut ::loff_t,
                  fd_out: ::c_int,
                  off_out: *mut ::loff_t,
                  len: ::size_t,
                  flags: ::c_uint) -> ::ssize_t;
    pub fn eventfd(init: ::c_uint, flags: ::c_int) -> ::c_int;
    pub fn sched_rr_get_interval(pid: ::pid_t, tp: *mut ::timespec) -> ::c_int;
    pub fn sem_timedwait(sem: *mut sem_t,
                         abstime: *const ::timespec) -> ::c_int;
    pub fn sem_getvalue(sem: *mut sem_t,
                        sval: *mut ::c_int) -> ::c_int;
    pub fn sched_setparam(pid: ::pid_t, param: *const ::sched_param) -> ::c_int;
    pub fn setns(fd: ::c_int, nstype: ::c_int) -> ::c_int;
    pub fn swapoff(puath: *const ::c_char) -> ::c_int;
    pub fn vmsplice(fd: ::c_int,
                    iov: *const ::iovec,
                    nr_segs: ::size_t,
                    flags: ::c_uint) -> ::ssize_t;
    pub fn mount(src: *const ::c_char,
                 target: *const ::c_char,
                 fstype: *const ::c_char,
                 flags: ::c_ulong,
                 data: *const ::c_void) -> ::c_int;
    pub fn personality(persona: ::c_uint) -> ::c_int;
    pub fn prctl(option: ::c_int, ...) -> ::c_int;
    pub fn sched_getparam(pid: ::pid_t, param: *mut ::sched_param) -> ::c_int;
    pub fn ppoll(fds: *mut ::pollfd,
                 nfds: nfds_t,
                 timeout: *const ::timespec,
                 sigmask: *const sigset_t) -> ::c_int;
    pub fn pthread_mutex_timedlock(lock: *mut pthread_mutex_t,
                                   abstime: *const ::timespec) -> ::c_int;
    pub fn clone(cb: extern fn(*mut ::c_void) -> ::c_int,
                 child_stack: *mut ::c_void,
                 flags: ::c_int,
                 arg: *mut ::c_void, ...) -> ::c_int;
    pub fn sched_getscheduler(pid: ::pid_t) -> ::c_int;
    pub fn clock_nanosleep(clk_id: ::clockid_t,
                           flags: ::c_int,
                           rqtp: *const ::timespec,
                           rmtp:  *mut ::timespec) -> ::c_int;
    pub fn pthread_attr_getguardsize(attr: *const ::pthread_attr_t,
                                     guardsize: *mut ::size_t) -> ::c_int;
    pub fn sethostname(name: *const ::c_char, len: ::size_t) -> ::c_int;
    pub fn sched_get_priority_min(policy: ::c_int) -> ::c_int;
    pub fn pthread_condattr_getpshared(attr: *const pthread_condattr_t,
                                       pshared: *mut ::c_int) -> ::c_int;
    pub fn sysinfo(info: *mut ::sysinfo) -> ::c_int;
    pub fn umount2(target: *const ::c_char, flags: ::c_int) -> ::c_int;
    pub fn pthread_setschedparam(native: ::pthread_t,
                                 policy: ::c_int,
                                 param: *const ::sched_param) -> ::c_int;
    pub fn swapon(path: *const ::c_char, swapflags: ::c_int) -> ::c_int;
    pub fn sched_setscheduler(pid: ::pid_t,
                              policy: ::c_int,
                              param: *const ::sched_param) -> ::c_int;
    pub fn sendfile(out_fd: ::c_int,
                    in_fd: ::c_int,
                    offset: *mut off_t,
                    count: ::size_t) -> ::ssize_t;
    pub fn setfsgid(gid: ::gid_t) -> ::c_int;
    pub fn setfsuid(uid: ::uid_t) -> ::c_int;
    pub fn sigsuspend(mask: *const ::sigset_t) -> ::c_int;
    #[cfg_attr(target_os = "solaris", link_name = "__posix_getgrgid_r")]
    pub fn getgrgid_r(gid: ::gid_t,
                      grp: *mut ::group,
                      buf: *mut ::c_char,
                      buflen: ::size_t,
                      result: *mut *mut ::group) -> ::c_int;
    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
               link_name = "sigaltstack$UNIX2003")]
    #[cfg_attr(target_os = "netbsd", link_name = "__sigaltstack14")]
    pub fn sigaltstack(ss: *const stack_t,
                       oss: *mut stack_t) -> ::c_int;
    pub fn sem_close(sem: *mut sem_t) -> ::c_int;
    #[cfg_attr(target_os = "solaris", link_name = "__posix_getgrnam_r")]
    pub fn getgrnam_r(name: *const ::c_char,
                      grp: *mut ::group,
                      buf: *mut ::c_char,
                      buflen: ::size_t,
                      result: *mut *mut ::group) -> ::c_int;
    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
               link_name = "pthread_sigmask$UNIX2003")]
    pub fn pthread_sigmask(how: ::c_int, set: *const sigset_t,
                           oldset: *mut sigset_t) -> ::c_int;
    pub fn sem_open(name: *const ::c_char, oflag: ::c_int, ...) -> *mut sem_t;
    pub fn getgrnam(name: *const ::c_char) -> *mut ::group;
    pub fn pthread_kill(thread: ::pthread_t, sig: ::c_int) -> ::c_int;
    pub fn sem_unlink(name: *const ::c_char) -> ::c_int;
    pub fn daemon(nochdir: ::c_int, noclose: ::c_int) -> ::c_int;
    #[cfg_attr(target_os = "netbsd", link_name = "__getpwnam_r50")]
    #[cfg_attr(target_os = "solaris", link_name = "__posix_getpwnam_r")]
    pub fn getpwnam_r(name: *const ::c_char,
                      pwd: *mut passwd,
                      buf: *mut ::c_char,
                      buflen: ::size_t,
                      result: *mut *mut passwd) -> ::c_int;
    #[cfg_attr(target_os = "netbsd", link_name = "__getpwuid_r50")]
    #[cfg_attr(target_os = "solaris", link_name = "__posix_getpwuid_r")]
    pub fn getpwuid_r(uid: ::uid_t,
                      pwd: *mut passwd,
                      buf: *mut ::c_char,
                      buflen: ::size_t,
                      result: *mut *mut passwd) -> ::c_int;
    #[cfg_attr(all(target_os = "macos", target_arch ="x86"),
               link_name = "sigwait$UNIX2003")]
    #[cfg_attr(target_os = "solaris", link_name = "__posix_sigwait")]
    pub fn sigwait(set: *const sigset_t,
                   sig: *mut ::c_int) -> ::c_int;
    pub fn pthread_atfork(prepare: ::Option<unsafe extern fn()>,
                          parent: ::Option<unsafe extern fn()>,
                          child: ::Option<unsafe extern fn()>) -> ::c_int;
    pub fn getgrgid(gid: ::gid_t) -> *mut ::group;
    pub fn getgrouplist(user: *const ::c_char,
                        group: ::gid_t,
                        groups: *mut ::gid_t,
                        ngroups: *mut ::c_int) -> ::c_int;
    pub fn initgroups(user: *const ::c_char, group: ::gid_t) -> ::c_int;
    pub fn pthread_mutexattr_getpshared(attr: *const pthread_mutexattr_t,
                                        pshared: *mut ::c_int) -> ::c_int;
    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
               link_name = "popen$UNIX2003")]
    pub fn popen(command: *const c_char,
                 mode: *const c_char) -> *mut ::FILE;
    pub fn faccessat(dirfd: ::c_int, pathname: *const ::c_char,
                     mode: ::c_int, flags: ::c_int) -> ::c_int;
    pub fn pthread_create(native: *mut ::pthread_t,
                          attr: *const ::pthread_attr_t,
                          f: extern fn(*mut ::c_void) -> *mut ::c_void,
                          value: *mut ::c_void) -> ::c_int;
    pub fn __errno() -> *mut ::c_int;
    pub fn inotify_rm_watch(fd: ::c_int, wd: u32) -> ::c_int;
    pub fn sendmmsg(sockfd: ::c_int, msgvec: *const ::mmsghdr, vlen: ::c_uint,
                    flags: ::c_int) -> ::c_int;
    pub fn recvmmsg(sockfd: ::c_int, msgvec: *mut ::mmsghdr, vlen: ::c_uint,
                    flags: ::c_int, timeout: *const ::timespec) -> ::c_int;
    pub fn inotify_init() -> ::c_int;
    pub fn inotify_init1(flags: ::c_int) -> ::c_int;
    pub fn inotify_add_watch(fd: ::c_int,
                             path: *const ::c_char,
                             mask: u32) -> ::c_int;
}

cfg_if! {
    if #[cfg(target_pointer_width = "32")] {
        mod b32;
        pub use self::b32::*;
    } else if #[cfg(target_pointer_width = "64")] {
        mod b64;
        pub use self::b64::*;
    } else {
        // Unknown target_pointer_width
    }
}