belowerr1        1377 ext/gd/libgd/gd_topal.c   LOCFSERROR belowerr0, belowerr1, belowerr2;	/* error for pixel below cur */
belowerr1        1433 ext/gd/libgd/gd_topal.c       belowerr0 = belowerr1 = belowerr2 = 0;
belowerr1        1535 ext/gd/libgd/gd_topal.c 	    bpreverr1 = belowerr1 + cur1;
belowerr1        1536 ext/gd/libgd/gd_topal.c 	    belowerr1 = bnexterr;