png_get_tRNS     7216 src/image.c    DEF_DLL_FN (png_uint_32, png_get_tRNS, (png_structp, png_infop, png_bytep *,
png_get_tRNS     7258 src/image.c      LOAD_DLL_FN (library, png_get_tRNS);
png_get_tRNS     7579 src/image.c      if (png_get_tRNS (png_ptr, info_ptr, &trans_alpha, &num_trans, NULL))