png_snprintf6     698 third_party/libpng/png.c       png_snprintf6(near_time_buf, 29, "%d %s %d %02d:%02d:%02d +0000",
png_snprintf6     706 third_party/libpng/png.c    png_snprintf6(png_ptr->time_buffer, 29, "%d %s %d %02d:%02d:%02d +0000",