pass2_fs_dither  1365 ext/gd/libgd/gd_topal.c pass2_fs_dither (gdImagePtr oim, gdImagePtr nim, my_cquantize_ptr cquantize)
pass2_fs_dither  1689 ext/gd/libgd/gd_topal.c 	cquantize->pub.color_quantize = pass2_fs_dither;
pass2_fs_dither  1946 ext/gd/libgd/gd_topal.c       pass2_fs_dither (oim, nim, cquantize);