#pragma once #include #include __BEGIN_DECLS void* malloc(size_t) __MALLOC; void free(void*); void* calloc(size_t nmemb, size_t); void* realloc(void *ptr, size_t); char* getenv(const char* name); int atoi(const char*); void exit(int status) __NORETURN; void abort() __NORETURN; __END_DECLS