Function strftime

extlibs/fmt/include/fmt/chrono.h:390–393

namespace internal {
inline std::size_t strftime(char* str, std::size_t count, const char* format,
                            const std::tm* time) {
  return std::strftime(str, count, format, time);
}

inline std::size_t strftime(wchar_t* str, std::size_t count,
                            const wchar_t* format, const std::tm* time) {