33 static Input	*input;  variable
85 	printinputstackrev(input);  in printinputstack()
95 	for(in=input; in; in=in->next)  in pushinput()
101 	in->next = input;  in pushinput()
102 	input = in;  in pushinput()
118 	in = input;  in popinput()
121 	input = in->next;  in popinput()
134 	if(input == nil)  in getc()
136 	if(input->fd)  in getc()
137 		return Bgetc(input->fd);  in getc()
138 	if(input->s < input->end)  in getc()
139 		return *(input->s)++;  in getc()
447 		if((input!=nil && input->end==nil) && popinput())  in readrule()
452 	input->lineno++;  in readrule()
729 		input->end = text+strlen((char*)text);  in morerules()
741 		input->end = endofrule;  in morerules()
751 	if(input == nil)  in morerules()
754 		text = (uchar*)estrdup((char*)input->end);  in morerules()