#pragma once #include extern "C" { static_assert(sizeof(size_t) == 4); void* memcpy(void*, const void*, size_t); char* strcpy(char*, const char*); char* strncpy(char*, const char*, size_t); int strcmp(char const*, const char*); size_t strlen(const char*); void* memset(void*, int, size_t); char *strdup(const char*); int memcmp(const void*, const void*, size_t); char* strrchr(const char* str, int ch); }