8 bool exists(
const std::string& filename );
11 size_t timestamp(
const std::string& filename );
19 std::string
pathname(
const std::string& filename );
22 std::string normalize_filename(
const std::string& filename );
28 std::string relative_filename(
const std::string& filename,
const std::string& path );
std::string pathname(const std::string &filename)