png_tRNS          293 contrib/libtests/pngunknown.c    { "tRNS", PNG_INFO_tRNS, png_tRNS,
png_tRNS          769 contrib/tools/pngfix.c       case png_tRNS: case png_sBIT:
png_tRNS          345 pngpread.c        else if (chunk_name == png_tRNS)
png_tRNS          236 pngread.c            else if (chunk_name == png_tRNS)
png_tRNS          893 pngread.c            else if (chunk_name == png_tRNS)
png_tRNS         1442 pngwutil.c           png_write_complete_chunk(png_ptr, png_tRNS, trans_alpha,
png_tRNS         1458 pngwutil.c           png_write_complete_chunk(png_ptr, png_tRNS, buf, (png_size_t)2);
png_tRNS         1478 pngwutil.c           png_write_complete_chunk(png_ptr, png_tRNS, buf, (png_size_t)6);