85 static PATTERN	*patterns;  variable
502 	if (patterns == NULL && !fflag) {  in main()
750 		pp->next = patterns;  in addpattern()
751 		patterns = pp;  in addpattern()
829 	    (patterns != NULL && patterns->next == NULL) && !wflag &&  in fixpatterns()
830 	    (strlen(patterns->pattern) != 0) && conflag == 0 &&  in fixpatterns()
831 	    (Fflag || simple_pattern(patterns->pattern));  in fixpatterns()
842 	for (pp = patterns; pp != NULL; pp = pp->next) {  in fixpatterns()
943 	if (patterns == NULL)  in grep()
946 	pp = patterns;  in grep()
1149 				pp = patterns; /* to make it happen */  in grep()
1176 		for (pp = patterns; pp; pp = pp->next) {  in grep()