void *calloc(size_t nmemb, size_t size);
void *memalign_simple(size_t alignment, size_t bytes);
void *realloc_simple(void *ptr, size_t size);
void *calloc(size_t nmemb, size_t size);
void *memalign_simple(size_t alignment, size_t bytes);
void *realloc_simple(void *ptr, size_t size);