uarb_inc          256 contrib/tools/pngfix.c       in_digits = uarb_inc(num, in_digits, add & 0xffff);
uarb_inc          257 contrib/tools/pngfix.c       return uarb_inc(num+1, in_digits-1, add >> 16)+1;
uarb_inc         1493 contrib/tools/pngfix.c                   digits = uarb_inc(row_bytes, digits, 1);
uarb_inc         1516 contrib/tools/pngfix.c             digits = uarb_inc(row_bytes, digits, 1);