1 /* 2 * Header for libc string functions 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU Library General Public License version 2. 6 */ 7 #ifndef __STRING_H 8 #define __STRING_H 9 10 extern unsigned long strlen(const char *buf); 11 extern char *strcat(char *dest, const char *src); 12 extern char *strcpy(char *dest, const char *src); 13 extern int strcmp(const char *a, const char *b); 14 extern int strncmp(const char *a, const char *b, size_t n); 15 extern char *strchr(const char *s, int c); 16 extern char *strstr(const char *haystack, const char *needle); 17 extern void *memset(void *s, int c, size_t n); 18 extern void *memcpy(void *dest, const void *src, size_t n); 19 extern int memcmp(const void *s1, const void *s2, size_t n); 20 extern void *memmove(void *dest, const void *src, size_t n); 21 extern void *memchr(const void *s, int c, size_t n); 22 23 #endif /* _STRING_H */ 24