png_write_info_before_PLTE 1147 png.h          PNG_EXPORT(20, void, png_write_info_before_PLTE,
png_write_info_before_PLTE 1349 pngtest.c         png_write_info_before_PLTE(write_ptr, write_info_ptr);
png_write_info_before_PLTE  202 pngwrite.c        png_write_info_before_PLTE(png_ptr, info_ptr);