string.h

标准c库代码,可以应用于各个系统提供了大量的基本函数

/*
 * string.h
 *
 * Definitions for memory and string functions.
 */

#ifndef _STRING_H_
#define	_STRING_H_

#ifdef __cplusplus
extern "C" {
#endif

#include "_ansi.h"

#define __need_size_t
#include <stddef.h>

#ifndef NULL
#define NULL 0L
#endif

_PTR 	 _EXFUN(memchr,(const _PTR, int, size_t));
int 	 _EXFUN(memcmp,(const _PTR, const _PTR, size_t));
_PTR 	 _EXFUN(memcpy,(_PTR, const _PTR, size_t));
_PTR	 _EXFUN(memmove,(_PTR, const _PTR, size_t));
_PTR	 _EXFUN(memset,(_PTR, int, size_t));
char 	*_EXFUN(strcat,(char *, const char *));
char 	*_EXFUN(strchr,(const char *, int));
int	 _EXFUN(strcmp,(const char *, const char *));
int	 _EXFUN(strcoll,(const char *, const char *));
char 	*_EXFUN(strcpy,(char *, const char *));
size_t	 _EXFUN(strcspn,(const char *, const char *));
char 	*_EXFUN(strerror,(int));
size_t	 _EXFUN(strlen,(const char *));
char 	*_EXFUN(strncat,(char *, const char *, size_t));
int	 _EXFUN(strncmp,(const char *, const char *, size_t));
char 	*_EXFUN(strncpy,(char *, const char *, size_t));
char 	*_EXFUN(strpbrk,(const char *, const char *));
char 	*_EXFUN(strrchr,(const char *, int));
size_t	 _EXFUN(strspn,(const char *, const char *));
char 	*_EXFUN(strstr,(const char *, const char *));

#ifndef _REENT_ONLY
char 	*_EXFUN(strtok,(char *, const char *));
#endif

size_t	 _EXFUN(strxfrm,(char *, const char *, size_t));

#ifndef _STRICT_ANSI
struct _reent;
char 	*_EXFUN(_strtok_r,(struct _reent *, char *, const char *));

int	 _EXFUN(bcmp,(const char *, const char *, size_t));
void	 _EXFUN(bcopy,(const char *, char *, size_t));
void	 _EXFUN(bzero,(char *, size_t));
int	 _EXFUN(ffs,(int));
char 	*_EXFUN(index,(const char *, int));
_PTR	 _EXFUN(memccpy,(_PTR, const _PTR, int, size_t));
char 	*_EXFUN(rindex,(const char *, int));
int	 _EXFUN(strcasecmp,(const char *, const char *));
char 	*_EXFUN(strdup,(const char *));
int	 _EXFUN(strncasecmp,(const char *, const char *, size_t));
char 	*_EXFUN(strsep,(char *, const char *));
void	 _EXFUN(swab,(const char *, char *, size_t));
#endif /* ! _STRICT_ANSI */

#ifdef __cplusplus
}
#endif
#endif /* _STRING_H_ */