cmppixel         2842 contrib/libtests/pngstest.c             else if (!cmppixel(&tr, a_cmap, b_cmap, 0, y))
cmppixel         3036 contrib/libtests/pngstest.c          if (!cmppixel(&tr, psa, psb, x, y) && (a->opts & KEEP_GOING) == 0)