png_write_init_2 3125 third_party/libpng/png.h extern PNG_EXPORT(void,png_write_init_2) PNGARG((png_structp png_ptr,
png_write_init_2  609 third_party/libpng/pngwrite.c    png_write_init_2(png_ptr, "1.0.6 or earlier", 0, 0);