png_set_expand_gray_1_2_4_to_8 6406 contrib/libtests/pngvalid.c    png_set_expand_gray_1_2_4_to_8(pp);
png_set_expand_gray_1_2_4_to_8  403 example.c            png_set_expand_gray_1_2_4_to_8(png_ptr);
png_set_expand_gray_1_2_4_to_8 1184 png.h          PNG_EXPORT(27, void, png_set_expand_gray_1_2_4_to_8, (png_structrp png_ptr));
png_set_expand_gray_1_2_4_to_8  945 pngrtran.c        png_set_expand_gray_1_2_4_to_8(png_ptr);