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#ifndef	_STRING_H
#define	_STRING_H

#ifdef __cplusplus
extern "C" {
#endif

#undef NULL
#ifdef __cplusplus
#define NULL 0
#else
#define NULL ((void*)0)
#endif

#define __NEED_size_t
#include <bits/alltypes.h>

void *memcpy (void *, const void *, size_t);
void *memmove (void *, const void *, size_t);
void *memccpy (void *, const void *, int, size_t);
void *memset (void *, int, size_t);
int memcmp (const void *, const void *, size_t);
void *memchr (const void *, int, size_t);

char *strcpy (char *, const char *);
char *strncpy (char *, const char *, size_t);

char *strcat (char *, const char *);
char *strncat (char *, const char *, size_t);

int strcmp (const char *, const char *);
int strncmp (const char *, const char *, size_t);

int strcoll (const char *, const char *);
size_t strxfrm (char *, const char *, size_t);

char *strdup (const char *);

char *strchr (const char *, int);
char *strrchr (const char *, int);

size_t strcspn (const char *, const char *);
size_t strspn (const char *, const char *);
char *strpbrk (const char *, const char *);
char *strstr (const char *, const char *);

char *strtok (char *, const char *);
char *strtok_r (char *, const char *, char **);

size_t strlen (const char *);

char *strerror (int);
int strerror_r (int, char *, size_t);

size_t strlcat (char *, const char *, size_t);
size_t strlcpy (char *, const char *, size_t);

char *stpcpy(char *, const char *);
char *stpncpy(char *, const char *, size_t);
size_t strnlen (const char *, size_t);

#ifdef _GNU_SOURCE
int strcasecmp (const char *, const char *);
int strncasecmp (const char *, const char *, size_t);
char *strchrnul(const char *, int);
#endif

#ifdef __cplusplus
}
#endif

#endif