#ifndef LIBC_STRING_H #define LIBC_STRING_H #include "stddef.h" char* strchr(const char* s, int c); size_t strlen(const char* s); void* memcpy(void* s1, const void* s2, size_t n); void* memset(void* ptr, int val, size_t size); int strcmp(const char* str1, const char* str2); char* strcpy(char* dst, const char* src); void* memmove(void* dst, const void* src, size_t size); #endif