Class stat

src/base/fs.cpp:425–425

	return attributes != INVALID_FILE_ATTRIBUTES && !(attributes & FILE_ATTRIBUTE_DIRECTORY) ? 1 : 0;
#else
	struct stat sb;
	if(stat(path, &sb) == -1)
		return 0;
	return S_ISREG(sb.st_mode) ? 1 : 0;