#ifndef _STRING_H #define _STRING_H #include int strcmp(const char *s1, const char *s2); int strncmp(const char *s1, const char *s2, uint32_t n); char *strcpy(char *dest, const char *src); char *strncpy(char *dest, const char *src, uint32_t n); uint32_t strlen(const char *s); int memcpy(void *dst, const void *src, int n); const char *strchr(const char *s, int c); const char *strstr(const char *haystack, const char *needle); #endif /* _STRING_H */