C语言字符串函数库头文件 - STRING.H

/*-------------------------------------------------------------------------- STRING.H

String functions. Copyright (c) 1988-2014 Keil Elektronik GmbH and Keil Software, Inc. All rights reserved. --------------------------------------------------------------------------*/

#ifndef STRING_H #define STRING_H

#ifndef _SIZE_T #define _SIZE_T typedef unsigned int size_t; #endif

#ifndef NULL #define NULL ((void *) 0L) #endif

#pragma SAVE #pragma REGPARMS extern char *strcat (char *s1, const char *s2); extern char *strncat (char *s1, const char *s2, size_t n);

extern char strcmp (const char *s1, const char *s2); extern char strncmp (const char *s1, const char *s2, size_t n);

extern char *strcpy (char *s1, const char *s2); extern char *strncpy (char *s1, const char *s2, size_t n);

extern size_t strlen (const char *);

extern char *strchr (const char *s, char c); extern int strpos (const char *s, char c); extern char *strrchr (const char *s, char c); extern int strrpos (const char *s, char c);

extern size_t strspn (const char *s, const char *set); extern size_t strcspn (const char *s, const char *set); extern char *strpbrk (const char *s, const char *set); extern char *strrpbrk(const char *s, const char *set); extern char *strstr (const char *s, const char *sub); extern char *strtok (char *str, const char *set);

extern char memcmp (const void *s1, const void *s2, size_t n); extern void *memcpy (void *s1, const void *s2, size_t n); extern void *memchr (const void *s, char val, size_t n); extern void *memccpy (void *s1, const void *s2, char val, size_t n); extern void *memmove (void *s1, const void *s2, size_t n); extern void *memset (void *s, char val, size_t n); #pragma RESTORE

#endif