64 int	rtok;		/* next token in current re */  variable
612 	rtok = relex();  in reparse()
614 	if (rtok == '\0') {  in reparse()
619 	if (rtok != '\0')  in reparse()
633 	switch (rtok) {  in primary()
636 		rtok = relex();  in primary()
639 		rtok = relex();  in primary()
642 		rtok = relex();  in primary()
645 		rtok = relex();  in primary()
649 		rtok = relex();  in primary()
653 		rtok = relex();  in primary()
656 		rtok = relex();  in primary()
659 		rtok = relex();  in primary()
662 		rtok = relex();  in primary()
663 		if (rtok == ')') {	/* special pleading for () */  in primary()
664 			rtok = relex();  in primary()
668 		if (rtok == ')') {  in primary()
669 			rtok = relex();  in primary()
682 	switch (rtok) {  in concat()
691 	if (rtok == OR) {  in alt()
692 		rtok = relex();  in alt()
700 	switch (rtok) {  in unary()
702 		rtok = relex();  in unary()
705 		rtok = relex();  in unary()
708 		rtok = relex();  in unary()