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 #include <stddef.h> /* For size_t */ 11 12 extern size_t strlen(const char *buf); 13 extern size_t strnlen(const char *buf, size_t maxlen); 14 extern char *strcat(char *dest, const char *src); 15 extern char *strcpy(char *dest, const char *src); 16 extern int strcmp(const char *a, const char *b); 17 extern int strncmp(const char *a, const char *b, size_t n); 18 int strcasecmp(const char *a, const char *b); 19 int strncasecmp(const char *a, const char *b, size_t n); 20 extern char *strchr(const char *s, int c); 21 extern char *strrchr(const char *s, int c); 22 extern char *strchrnul(const char *s, int c); 23 extern char *strstr(const char *haystack, const char *needle); 24 extern void *memset(void *s, int c, size_t n); 25 extern void *memcpy(void *dest, const void *src, size_t n); 26 extern int memcmp(const void *s1, const void *s2, size_t n); 27 extern void *memmove(void *dest, const void *src, size_t n); 28 extern void *memchr(const void *s, int c, size_t n); 29 30 #endif /* _STRING_H_ */ 31