41 static int	diff_flags = DIFF_INTERNAL | DIFF_FILLER | DIFF_CLOSE_OFF;  variable
766 	    if (diff_flags & DIFF_ICASE)  in diff_write_buffer()
904     return (diff_flags & DIFF_INTERNAL) != 0  in diff_internal()
1110     if (diff_flags & DIFF_IWHITE)  in diff_file_internal()
1112     if (diff_flags & DIFF_IWHITEALL)  in diff_file_internal()
1114     if (diff_flags & DIFF_IWHITEEOL)  in diff_file_internal()
1116     if (diff_flags & DIFF_IBLANK)  in diff_file_internal()
1181 		(diff_flags & DIFF_IWHITE) ? "-b " : "",  in diff_file()
1182 		(diff_flags & DIFF_IWHITEALL) ? "-w " : "",  in diff_file()
1183 		(diff_flags & DIFF_IWHITEEOL) ? "-Z " : "",  in diff_file()
1184 		(diff_flags & DIFF_IBLANK) ? "-B " : "",  in diff_file()
1185 		(diff_flags & DIFF_ICASE) ? "-i " : "",  in diff_file()
1341 	if (win_split(0, (diff_flags & DIFF_VERTICAL) ? WSP_VERT : 0) != FAIL)  in ex_diffpatch()
1408     if (win_split(0, (diff_flags & DIFF_VERTICAL) ? WSP_VERT : 0) != FAIL)  in ex_diffsplit()
1483     if (!(diff_flags & DIFF_FOLLOWWRAP))  in diff_win_options()
1549 		if (!(diff_flags & DIFF_FOLLOWWRAP))  in ex_diffoff()
1942     if (!(diff_flags & DIFF_FILLER))  in diff_check()
1998 		    || !(diff_flags & DIFF_ICASE)  in diff_equal_char()
2007 		&& (!(diff_flags & DIFF_ICASE)  in diff_equal_char()
2025     if ((diff_flags & DIFF_IBLANK)  in diff_cmp()
2029     if ((diff_flags & (DIFF_ICASE | ALL_WHITE_DIFF)) == 0)  in diff_cmp()
2031     if ((diff_flags & DIFF_ICASE) && !(diff_flags & ALL_WHITE_DIFF))  in diff_cmp()
2040 	if (((diff_flags & DIFF_IWHITE)  in diff_cmp()
2042 		|| ((diff_flags & DIFF_IWHITEALL)  in diff_cmp()
2074     if (!(diff_flags & DIFF_FILLER))  in diff_check_fill()
2165 		if (diff_flags & DIFF_FILLER)  in diff_set_topline()
2336     if (diff_flags != diff_flags_new || diff_algorithm != diff_algorithm_new)  in diffopt_changed()
2340     diff_flags = diff_flags_new;  in diffopt_changed()
2360     return (diff_flags & DIFF_HORIZONTAL) != 0;  in diffopt_horizontal()
2369     return (diff_flags & DIFF_HIDDEN_OFF) != 0;  in diffopt_hiddenoff()
2378     return (diff_flags & DIFF_CLOSE_OFF) != 0;  in diffopt_closeoff()
2442 		if (((diff_flags & DIFF_IWHITE)  in diff_find_change()
2445 			|| ((diff_flags & DIFF_IWHITEALL)  in diff_find_change()
2479 		    if (((diff_flags & DIFF_IWHITE)  in diff_find_change()
2482 			    || ((diff_flags & DIFF_IWHITEALL)  in diff_find_change()