File: proto.h

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/*
 * proto.h - common function prototypes for lsof
 */


/*
 * Copyright 1994 Purdue Research Foundation, West Lafayette, Indiana
 * 47907.  All rights reserved.
 *
 * Written by Victor A. Abell
 *
 * This software is not subject to any license of the American Telephone
 * and Telegraph Company or the Regents of the University of California.
 *
 * Permission is granted to anyone to use this software for any purpose on
 * any computer system, and to alter it and redistribute it freely, subject
 * to the following restrictions:
 *
 * 1. Neither the authors nor Purdue University are responsible for any
 *    consequences of the use of this software.
 *
 * 2. The origin of this software must not be misrepresented, either by
 *    explicit claim or by omission.  Credit to the authors and Purdue
 *    University must appear in documentation and sources.
 *
 * 3. Altered versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 *
 * 4. This notice may not be removed or altered.
 */


/*
 * $Id: proto.h,v 1.39 2018/02/14 14:20:14 abe Exp $
 */


#if	!defined(PROTO_H)
#define	PROTO_H	1


/*
 * The _PROTOTYPE macro provides strict ANSI C prototypes if __STDC__
 * is defined, and old-style K&R prototypes otherwise.
 *
 * (With thanks to Andy Tanenbaum)
 */

# if	defined(__STDC__)
#define	_PROTOTYPE(function, params)	function params
# else	/* !defined(__STDC__) */
#define	_PROTOTYPE(function, params)	function()
# endif /* defined(__STDC__) */


/*
 * The following define keeps gcc>=2.7 from complaining about the failure
 * of the Exit() function to return.
 *
 * Paul Eggert supplied it.
 */

# if	defined(__GNUC__) && !(__GNUC__<2 || (__GNUC__==2 && __GNUC_MINOR__<7))
#define	exiting	__attribute__((__noreturn__))
# else	/* !gcc || gcc<2.7 */
#define	exiting
# endif	/* gcc && gcc>=2.7 */


_PROTOTYPE(extern void add_nma,(char *cp, int len));
_PROTOTYPE(extern void alloc_lfile,(char *nm, int num));
_PROTOTYPE(extern void alloc_lproc,(int pid, int pgid, int ppid, UID_ARG uid, char *cmd, int pss, int sf));
_PROTOTYPE(extern void build_IPstates,(void));
_PROTOTYPE(extern void childx,(void));
_PROTOTYPE(extern int ck_fd_status,(char *nm, int num));
_PROTOTYPE(extern int ck_file_arg,(int i, int ac, char *av[], int fv, int rs, struct stat *sbp));
_PROTOTYPE(extern void ckkv,(char *d, char *er, char *ev, char *ea));
_PROTOTYPE(extern void clr_devtab,(void));
_PROTOTYPE(extern int compdev,(COMP_P *a1, COMP_P *a2));
_PROTOTYPE(extern int comppid,(COMP_P *a1, COMP_P *a2));

# if	defined(WILLDROPGID)
_PROTOTYPE(extern void dropgid,(void));
# endif	/* defined(WILLDROPGID) */

_PROTOTYPE(extern char *endnm,(size_t *sz));
_PROTOTYPE(extern int enter_cmd_rx,(char *x));
_PROTOTYPE(extern void enter_dev_ch,(char *m));
_PROTOTYPE(extern int enter_dir,(char *d, int descend));

# if	defined(HASEOPT)
_PROTOTYPE(extern int enter_efsys,(char *e, int rdlnk));
# endif	/* defined(HASEOPT) */

_PROTOTYPE(extern int enter_fd,(char *f));
_PROTOTYPE(extern int enter_network_address,(char *na));
_PROTOTYPE(extern int enter_id,(enum IDType ty, char *p));
_PROTOTYPE(extern void enter_IPstate,(char *ty, char *nm, int nr));
_PROTOTYPE(extern void enter_nm,(char *m));

# if	defined(HASTCPUDPSTATE)
_PROTOTYPE(extern int enter_state_spec,(char *ss));
# endif	/* defined(HASTCPUDPSTATE) */

_PROTOTYPE(extern int enter_str_lst,(char *opt, char *s, struct str_lst **lp,
				     int *incl, int *excl));
_PROTOTYPE(extern int enter_uid,(char *us));
_PROTOTYPE(extern void ent_inaddr,(unsigned char *la, int lp, unsigned char *fa, int fp, int af));
_PROTOTYPE(extern int examine_lproc,(void));
_PROTOTYPE(extern void Exit,(int xv)) exiting;
_PROTOTYPE(extern void find_ch_ino,(void));

# if	defined(HASEPTOPTS)
_PROTOTYPE(extern void clear_pinfo,(void));
_PROTOTYPE(extern pxinfo_t *find_pepti,(struct lfile *lf, pxinfo_t *pp));
_PROTOTYPE(extern void process_pinfo,(int f));
#  if	defined(HASUXSOCKEPT)
_PROTOTYPE(extern void clear_uxsinfo,(void));
_PROTOTYPE(extern struct uxsin *find_uxsepti,(struct lfile *lf));
_PROTOTYPE(extern void process_uxsinfo,(int f));
#  endif	/* defined(HASUXSOCKEPT) */
#  if	defined(HASPTYEPT)
_PROTOTYPE(extern void clear_ptyinfo,(void));
_PROTOTYPE(extern void enter_ptmxi,(int mn));
_PROTOTYPE(extern pxinfo_t *find_ptyepti,(struct lfile *lf,int m,pxinfo_t *pp));
_PROTOTYPE(extern int is_pty_slave,(int sm));
_PROTOTYPE(extern int is_pty_ptmx,(dev_t dev));
_PROTOTYPE(extern void process_ptyinfo,(int f));
#  endif	/* defined(HASPTYEPT) */
# endif	/* defined(HASEPTOPTS) */

_PROTOTYPE(extern void free_lproc,(struct lproc *lp));
_PROTOTYPE(extern void gather_proc_info,(void));
_PROTOTYPE(extern char *gethostnm,(unsigned char *ia, int af));

# if	!defined(GET_MAX_FD)
/*
 * This is not strictly a prototype, but GET_MAX_FD is the name of the
 * function that, in lieu of getdtablesize(), returns the maximum file
 * descriptor plus one (or file descriptor count).  GET_MAX_FD may be
 * defined in the dialect's machine.h.  If it is not, the following
 * selects getdtablesize().
 */

#define	GET_MAX_FD	getdtablesize
# endif	/* !defined(GET_MAX_FD) */

_PROTOTYPE(extern int hashbyname,(char *nm, int mod));
_PROTOTYPE(extern void hashSfile,(void));
_PROTOTYPE(extern void initialize,(void));
_PROTOTYPE(extern int is_cmd_excl,(char *cmd, short *pss, short *sf));
_PROTOTYPE(extern int is_file_sel,(struct lproc *lp, struct lfile *lf));
_PROTOTYPE(extern int is_nw_addr,(unsigned char *ia, int p, int af));

#if	defined(HASTASKS)
_PROTOTYPE(extern int is_proc_excl,(int pid, int pgid, UID_ARG uid, short *pss, short *sf, int tid));
#else	/* !defined(HASTASKS) */
_PROTOTYPE(extern int is_proc_excl,(int pid, int pgid, UID_ARG uid, short *pss, short *sf));
#endif	/* defined(HASTASKS) */

_PROTOTYPE(extern int is_readable,(char *path, int msg));
_PROTOTYPE(extern int kread,(KA_T addr, char *buf, READLEN_T len));
_PROTOTYPE(extern void link_lfile,(void));
_PROTOTYPE(extern struct l_dev *lkupdev,(dev_t *dev,dev_t *rdev,int i,int r));
_PROTOTYPE(extern int main,(int argc, char *argv[]));
_PROTOTYPE(extern int lstatsafely,(char *path, struct stat *buf));
_PROTOTYPE(extern char *mkstrcpy,(char *src, MALLOC_S *rlp));
_PROTOTYPE(extern char *mkstrcat,(char *s1, int l1, char *s2, int l2, char *s3, int l3, MALLOC_S *clp));
_PROTOTYPE(extern int printdevname,(dev_t *dev, dev_t *rdev, int f, int nty));
_PROTOTYPE(extern void print_file,(void));
_PROTOTYPE(extern void print_init,(void));
_PROTOTYPE(extern void printname,(int nl));
_PROTOTYPE(extern char *print_kptr,(KA_T kp, char *buf, size_t bufl));
_PROTOTYPE(extern int print_proc,(void));
_PROTOTYPE(extern void printrawaddr,(struct sockaddr *sa));
_PROTOTYPE(extern void print_tcptpi,(int nl));
_PROTOTYPE(extern char *printuid,(UID_ARG uid, int *ty));
_PROTOTYPE(extern void printunkaf,(int fam, int ty));
_PROTOTYPE(extern char *printsockty,(int ty));
_PROTOTYPE(extern void process_file,(KA_T fp));
_PROTOTYPE(extern void process_node,(KA_T f));
_PROTOTYPE(extern char *Readlink,(char *arg));
_PROTOTYPE(extern void readdev,(int skip));
_PROTOTYPE(extern struct mounts *readmnt,(void));
_PROTOTYPE(extern void rereaddev,(void));
_PROTOTYPE(extern char *safepup,(unsigned int c, int *cl));
_PROTOTYPE(extern int safestrlen,(char *sp, int flags));
_PROTOTYPE(extern void safestrprtn,(char *sp, int len, FILE *fs, int flags));
_PROTOTYPE(extern void safestrprt,(char *sp, FILE *fs, int flags));
_PROTOTYPE(extern int statsafely,(char *path, struct stat *buf));
_PROTOTYPE(extern void stkdir,(char *p));
_PROTOTYPE(extern void usage,(int xv, int fh, int version));
_PROTOTYPE(extern int util_strftime,(char *fmtr, int fmtl, char *fmt));
_PROTOTYPE(extern int vfy_dev,(struct l_dev *dp));
_PROTOTYPE(extern char *x2dev,(char *s, dev_t *d));

# if	defined(HASBLKDEV)
_PROTOTYPE(extern void find_bl_ino,(void));
_PROTOTYPE(extern struct l_dev *lkupbdev,(dev_t *dev,dev_t *rdev,int i,int r));
_PROTOTYPE(extern int printbdevname,(dev_t *dev, dev_t *rdev, int f));
# endif	/* defined(HASBLKDEV) */

# if	defined(HASCDRNODE)
_PROTOTYPE(extern int readcdrnode,(KA_T ca, struct cdrnode *c));
# endif	/* defined(HASCDRNODE) */

# if	defined(HASDCACHE)
_PROTOTYPE(extern void alloc_dcache,(void));
_PROTOTYPE(extern void crc,(char *b, int l, unsigned *s));
_PROTOTYPE(extern void crdbld,(void));
_PROTOTYPE(extern int ctrl_dcache,(char *p));
_PROTOTYPE(extern int dcpath,(int rw, int npw));
_PROTOTYPE(extern int open_dcache,(int m, int r, struct stat *sb));
_PROTOTYPE(extern int read_dcache,(void));
_PROTOTYPE(extern int wr2DCfd,(char *b, unsigned *c));
_PROTOTYPE(extern void write_dcache,(void));
# endif	/* defined(HASDCACHE) */

# if	defined(HASFIFONODE)
_PROTOTYPE(extern int readfifonode,(KA_T fa, struct fifonode *f));
# endif	/* defined(HASFIFONODE) */

# if	defined(HASFSTRUCT)
_PROTOTYPE(extern char *print_fflags,(long ffg, long pof));
# endif	/* defined(HASFSTRUCT) */

# if	defined(HASGNODE)
_PROTOTYPE(extern int readgnode,(KA_T ga, struct gnode *g));
# endif	/* defined(HASGNODE) */

# if	defined(HASKQUEUE)
_PROTOTYPE(extern void process_kqueue,(KA_T ka));
# endif	/* defined(HASKQUEUE) */

# if	defined(HASHSNODE)
_PROTOTYPE(extern int readhsnode,(KA_T ha, struct hsnode *h));
# endif	/* defined(HASHSNODE) */

# if	defined(HASINODE)
_PROTOTYPE(extern int readinode,(KA_T ia, struct inode *i));
# endif	/* defined(HASINODE) */

# if	defined(HASNCACHE)
_PROTOTYPE(extern void ncache_load,(void));
_PROTOTYPE(extern char *ncache_lookup,(char *buf, int blen, int *fp));
# endif	/* defined(HASNCACHE) */

# if	defined(HASNLIST)
_PROTOTYPE(extern void build_Nl,(struct drive_Nl *d));
_PROTOTYPE(extern int get_Nl_value,(char *nn, struct drive_Nl *d, KA_T *v));
# endif	/* defined(HASNLIST) */

# if	defined(HASPIPENODE)
_PROTOTYPE(extern int readpipenode,(KA_T pa, struct pipenode *p));
# endif	/* defined(HASPIPENODE) */

# if	defined(HASPRINTDEV)
_PROTOTYPE(extern char *HASPRINTDEV,(struct lfile *lf, dev_t *dev));
# endif	/* defined(HASPRINTDEV) */

# if	defined(HASPRINTINO)
_PROTOTYPE(extern char *HASPRINTINO,(struct lfile *lf));
# endif	/* defined(HASPRINTINO) */

# if	defined(HASPRINTNM)
_PROTOTYPE(extern void HASPRINTNM,(struct lfile *lf));
# endif	/* defined(HASPRINTNM) */

# if	defined(HASPRINTOFF)
_PROTOTYPE(extern char *HASPRINTOFF,(struct lfile *lf, int ty));
# endif	/* defined(HASPRINTOFF) */

# if	defined(HASPRINTSZ)
_PROTOTYPE(extern char *HASPRINTSZ,(struct lfile *lf));
# endif	/* defined(HASPRINTSZ) */

# if	defined(HASPRIVNMCACHE)
_PROTOTYPE(extern int HASPRIVNMCACHE,(struct lfile *lf));
# endif	/* defined(HASPRIVNMCACHE) */

# if	!defined(HASPRIVPRIPP)
_PROTOTYPE(extern void printiproto,(int p));
# endif	/* !defined(HASPRIVPRIPP) */

# if	defined(HASRNODE)
_PROTOTYPE(extern int readrnode,(KA_T ra, struct rnode *r));
# endif	/* defined(HASRNODE) */

# if	defined(HASSPECDEVD)
_PROTOTYPE(extern void HASSPECDEVD,(char *p, struct stat *s));
# endif	/* defined(HASSPECDEVD) */

# if	defined(HASSNODE)
_PROTOTYPE(extern int readsnode,(KA_T sa, struct snode *s));
# endif	/* defined(HASSNODE) */

# if	defined(HASSTREAMS)
_PROTOTYPE(extern int readstdata,(KA_T addr, struct stdata *buf));
_PROTOTYPE(extern int readsthead,(KA_T addr, struct queue *buf));
_PROTOTYPE(extern int readstidnm,(KA_T addr, char *buf, READLEN_T len));
_PROTOTYPE(extern int readstmin,(KA_T addr, struct module_info *buf));
_PROTOTYPE(extern int readstqinit,(KA_T addr, struct qinit *buf));
# endif	/* defined(HASSTREAMS) */

# if	defined(HASTMPNODE)
_PROTOTYPE(extern int readtnode,(KA_T ta, struct tmpnode *t));
# endif	/* defined(HASTMPNODE) */

# if	defined(HASVNODE)
_PROTOTYPE(extern int readvnode,(KA_T va, struct vnode *v));
# endif	/* defined(HASVNODE) */

# if	defined(USE_LIB_SNPF)
_PROTOTYPE(extern int snpf,(char *str, int len, char *fmt, ...));
# endif	/* defined(USE_LIB_SNPF) */

# endif	/* !defined(PROTO_H) */