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#ifndef _STRING_H
#define _STRING_H
#include <sys/cdefs.h>
#include <sys/types.h>
__BEGIN_DECLS
__readmem__(2) __writemem__(1)
char *strcpy(char* __restrict__ dest, const char* __restrict__ src) __THROW __nonnull((1,2));
__readmemsz__(2,4) __writememsz__(1,4)
void *memccpy(void* __restrict__ dest, const void* __restrict__ src, int c, size_t n) __THROW __nonnull((1,2));
__readmemsz__(2,3) __writememsz__(1,3)
void *memmove(void* dest, const void *src, size_t n) __THROW __nonnull((1,2));
__readmemsz__(1,3) __readmemsz__(2,3)
int memccmp(const void* s1, const void* s2, int c, size_t n) __THROW __pure __nonnull((1,2));
__writememsz__(1,3)
void* memset(void* s, int c, size_t n) __THROW __nonnull((1));
__readmemsz__(1,3) __readmemsz__(2,3)
int memcmp(const void* s1, const void* s2, size_t n) __THROW __pure __nonnull((1,2));
__writememsz__(1,3) __readmemsz__(2,3)
void* memcpy(void* __restrict__ dest, const void* __restrict__ src, size_t n) __THROW __nonnull((1,2));
__writememsz__(1,3) __readmem__(2)
char *strncpy(char* __restrict__ dest, const char* __restrict__ src, size_t n) __THROW __nonnull((1,2));
__readmemsz__(1,3) __readmemsz__(2,3)
int strncmp(const char* s1, const char* s2, size_t n) __THROW __pure __nonnull((1,2));
__writemem__(1) __readmem__(2)
char *strcat(char* __restrict__ dest, const char* __restrict__ src) __THROW __nonnull((1,2));
__writememsz__(1,3) __readmem__(2)
char *strncat(char* __restrict__ dest, const char* __restrict__ src, size_t n) __THROW __nonnull((1,2));
__readmem__(1) __readmem__(2)
int strcmp(const char *s1, const char *s2) __THROW __pure __nonnull((1,2));
__readmem__(1)
size_t strlen(const char *s) __THROW __pure __nonnull((1));
__readmemsz__(1,2)
size_t strnlen(const char *s,size_t maxlen) __THROW __pure __nonnull((1));
#ifdef _GNU_SOURCE
__readmem__(1) __readmem__(2)
int strverscmp(const char* s1,const char* s2) __THROW __pure __nonnull((1,2));
#endif
__readmem__(1) __readmem__(2)
char *strstr(const char *haystack, const char *needle) __THROW __pure __nonnull((1,2));
__readmem__(1)
char *strdup(const char *s) __THROW __attribute_malloc__ __nonnull((1));
__readmem__(1)
char *strchr(const char *s, int c) __THROW __pure __nonnull((1));
__readmem__(1)
char *strrchr(const char *s, int c) __THROW __pure __nonnull((1));
__readmem__(1) __readmem__(2)
size_t strspn(const char *s, const char *_accept) __THROW __nonnull((1,2));
__readmem__(1) __readmem__(2)
size_t strcspn(const char *s, const char *reject) __THROW __nonnull((1,2));
__readmem__(1) __readmem__(2)
char *strpbrk(const char *s, const char *_accept) __THROW __nonnull((1,2));
__readmem__(1) __readmem__(2)
char *strsep(char ** __restrict__ stringp, const char * __restrict__ delim) __THROW __nonnull((1,2));
__readmemsz__(1,3)
void* memchr(const void *s, int c, size_t n) __THROW __pure __nonnull((1));
#ifdef _GNU_SOURCE
__readmemsz__(1,3)
void* memrchr(const void *s, int c, size_t n) __THROW __pure __nonnull((1));
#endif
/* I would like to make this const, but Paul Jarc points out it has to
* be char* :-( */
char *strerror(int errnum) __THROW __attribute_const__;
/* work around b0rken GNU crapware like tar 1.13.19 */
#define strerror strerror
__writememsz__(2,3)
int strerror_r(int errnum,char* buf,size_t n) __THROW __attribute_dontuse__;
#ifdef _GNU_SOURCE
char *strsignal(int signum) __THROW __attribute_const__;
__readmemsz__(1,2) __readmemsz__(3,4)
void *memmem(const void *haystack, size_t haystacklen, const void *needle, size_t needlelen) __THROW __nonnull((1,3));
__writememsz__(1,3) __readmemsz__(2,3)
void* mempcpy(void* __restrict__ dest,const void* __restrict__ src,size_t n) __THROW __nonnull((1,2));
__readmemsz__(1,2)
char *strndup(const char *s,size_t n) __THROW __attribute_malloc__ __nonnull((1));
#define strdupa(s) ({ const char* tmp=s; size_t l=strlen(tmp)+1; char* x=alloca(l); memcpy(x,tmp,l); })
#define strndupa(s,n) ({ const char* tmp=s; const char* y=memchr(tmp,0,(n)); size_t l=y?y-tmp:n; char* x=alloca(l+1); x[l]=0; memcpy(x,tmp,l); })
#endif
__readwritemem__(1)
char *strtok(char * __restrict__ s, const char * __restrict__ delim) __THROW __nonnull((2));
__readwritemem__(1)
char *strtok_r(char * __restrict__ s, const char * __restrict__ delim, char ** __restrict__ ptrptr) __THROW __nonnull((2,3));
__writememsz__(1,3) __readmemsz__(2,3)
size_t strlcpy(char * __restrict__ dst, const char * __restrict__ src, size_t size) __THROW __nonnull((1,2));
__writememsz__(1,3) __readmem__(2)
size_t strlcat(char * __restrict__ dst, const char * __restrict__ src, size_t size) __THROW __nonnull((1,2));
__readmem__(1) __readmem__(2)
int strcoll(const char *s1, const char *s2) __THROW __nonnull((1,2));
__writememsz__(1,3) __readmemsz__(2,3)
size_t strxfrm(char *dest, const char * __restrict__ src, size_t n) __THROW __nonnull((1,2));
#ifdef _BSD_SOURCE
#include <strings.h>
#endif
__writemem__(1) __readmem__(2)
char* stpcpy(char * __restrict__ dest, const char * __restrict__ src) __THROW __nonnull((1,2));
__writememsz__(1,3) __readmemsz__(2,3)
char* stpncpy(char* __restrict__ dest, const char* __restrict__ src, size_t n) __THROW __nonnull((1,2));
#ifdef _GNU_SOURCE
int ffsl(long i) __THROW __attribute_const__;
int ffsll(long long i) __THROW __attribute_const__;
#endif
/* This is an OpenBSD extension that acts like bzero but is hopefully
* not removed from by the compiler's dead store optimization pass.
* It is meant for scrubbing crypto keys and passwords from memory after
* use, so they don't show up in swap files or core dumps. */
__writememsz__(1,2)
void explicit_bzero(void*, size_t) __THROW __dontinline__;
/* More OpenBSD extensions. These are for comparing passwords and hashes
* without leaking timing information on how long the common prefix was.
* The comparison always compares all the bytes, even if there is a
* mismatch early on. */
__readmemsz__(1,3) __readmemsz__(2,3)
int timingsafe_memcmp(const void* s1, const void* s2, size_t n) __THROW __nonnull((1,2)) __dontinline__;
__readmemsz__(1,3) __readmemsz__(2,3)
int timingsafe_bcmp(const void* s1, const void* s2, size_t n) __THROW __nonnull((1,2)) __dontinline__;
/* NetBSD has its own extension that is happened to be mentioned in the
* Linux man page for memcmp, so we support it, too */
__readmemsz__(1,3) __readmemsz__(2,3)
int consttime_memequal(void *b1, void *b2, size_t len) __THROW __nonnull((1,2)) __dontinline__;
/* NetBSD also has its own extension for memset :-( */
__writememsz__(1,3)
void* explicit_memset(void *b, int c, size_t len) __THROW __nonnull((1)) __dontinline__;
__END_DECLS
#endif
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