Function vprint

extlibs/fmt/include/fmt/color.h:500–506

template <typename S, typename Char = char_t<S>>
void vprint(std::FILE* f, const text_style& ts, const S& format,
            basic_format_args<buffer_context<Char>> args) {
  basic_memory_buffer<Char> buf;
  internal::vformat_to(buf, ts, to_string_view(format), args);
  buf.push_back(Char(0));
  internal::fputs(buf.data(), f);
}

/**
  Formats a string and prints it to the specified file stream using ANSI