#ifndef _STRING_H_
#define _STRING_H_
#include <_types.h>
#include <sys/cdefs.h>
#include <Availability.h>
#include <sys/_types/_size_t.h>
#include <sys/_types/_null.h>
__BEGIN_DECLS
void *memchr(const void *__s, int __c, size_t __n);
int memcmp(const void *__s1, const void *__s2, size_t __n);
void *memcpy(void *__dst, const void *__src, size_t __n);
void *memmove(void *__dst, const void *__src, size_t __len);
void *memset(void *__b, int __c, size_t __len);
char *strcat(char *__s1, const char *__s2);
char *strchr(const char *__s, int __c);
int strcmp(const char *__s1, const char *__s2);
int strcoll(const char *__s1, const char *__s2);
char *strcpy(char *__dst, const char *__src);
size_t strcspn(const char *__s, const char *__charset);
#ifndef LIBC_ALIAS_STRERROR
char *strerror(int __errnum) __DARWIN_ALIAS(strerror);
#else
char *strerror(int __errnum) LIBC_ALIAS(strerror);
#endif
size_t strlen(const char *__s);
char *strncat(char *__s1, const char *__s2, size_t __n);
int strncmp(const char *__s1, const char *__s2, size_t __n);
char *strncpy(char *__dst, const char *__src, size_t __n);
char *strpbrk(const char *__s, const char *__charset);
char *strrchr(const char *__s, int __c);
size_t strspn(const char *__s, const char *__charset);
char *strstr(const char *__big, const char *__little);
char *strtok(char *__str, const char *__sep);
size_t strxfrm(char *__s1, const char *__s2, size_t __n);
__END_DECLS
#if __DARWIN_C_LEVEL >= 199506L
__BEGIN_DECLS
char *strtok_r(char *__str, const char *__sep, char **__lasts);
__END_DECLS
#endif
#if __DARWIN_C_LEVEL >= 200112L
__BEGIN_DECLS
int strerror_r(int __errnum, char *__strerrbuf, size_t __buflen);
char *strdup(const char *__s1);
void *memccpy(void *__dst, const void *__src, int __c, size_t __n);
__END_DECLS
#endif
#if __DARWIN_C_LEVEL >= 200809L
__BEGIN_DECLS
char *stpcpy(char *__dst, const char *__src);
char *stpncpy(char *__dst, const char *__src, size_t __n) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
char *strndup(const char *__s1, size_t __n) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
size_t strnlen(const char *__s1, size_t __n) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
char *strsignal(int __sig);
__END_DECLS
#endif
#if defined(__STDC_WANT_LIB_EXT1__) && __STDC_WANT_LIB_EXT1__ >= 1
#include <sys/_types/_rsize_t.h>
#include <sys/_types/_errno_t.h>
__BEGIN_DECLS
errno_t memset_s(void *__s, rsize_t __smax, int __c, rsize_t __n) __OSX_AVAILABLE_STARTING(__MAC_10_9, __IPHONE_7_0);
__END_DECLS
#endif
#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
#include <sys/_types/_ssize_t.h>
__BEGIN_DECLS
void *memmem(const void *__big, size_t __big_len, const void *__little, size_t __little_len) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
void memset_pattern4(void *__b, const void *__pattern4, size_t __len) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_3_0);
void memset_pattern8(void *__b, const void *__pattern8, size_t __len) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_3_0);
void memset_pattern16(void *__b, const void *__pattern16, size_t __len) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_3_0);
char *strcasestr(const char *__big, const char *__little);
char *strnstr(const char *__big, const char *__little, size_t __len);
size_t strlcat(char *__dst, const char *__source, size_t __size);
size_t strlcpy(char *__dst, const char *__source, size_t __size);
void strmode(int __mode, char *__bp);
char *strsep(char **__stringp, const char *__delim);
void swab(const void * __restrict, void * __restrict, ssize_t);
#ifndef __CUDACC__
__OSX_AVAILABLE(10.12.1) __IOS_AVAILABLE(10.1)
__TVOS_AVAILABLE(10.0.1) __WATCHOS_AVAILABLE(3.1)
#endif
int timingsafe_bcmp(const void *__b1, const void *__b2, size_t __len);
__END_DECLS
#include "strings.h"
#endif
#ifdef _USE_EXTENDED_LOCALES_
#include <xlocale/_string.h>
#endif
#if defined (__GNUC__) && _FORTIFY_SOURCE > 0 && !defined (__cplusplus)
#include <secure/_string.h>
#endif
#endif