#include int memcmp(const void *str1, const void *str2, size_t n) { return 0; } void* memcpy(void* __restrict dest, const void* __restrict src, size_t n) { return NULL; } void* memmove(void* __restrict dest, const void* __restrict src, size_t n) { return NULL; } void* memset(void *str, int c, size_t n) { return NULL; } size_t strlen(const char *str) { size_t i = 0; while (str[i] != '\0') i++; return i; }