118 	short		pop;		/* TRUE if -p			*/  in main()  local
133 	error = fromfile = is_a_tty = pop = popall = popupto = push = FALSE;  in main()
170 		case 'a':				/* pop All	*/  in main()
178 			if (pop || push)  in main()
187 			if (fromfile || pop)  in main()
195 		case 'p':				/* poP		*/  in main()
199 				pop = TRUE;  in main()
202 		case 'u':				/* pop Upto	*/  in main()
224 	if (!pop && (popall || popupto)) {  in main()
226 		    "%s: -p option must be used with -a or -u to pop modules\n",  in main()
238 	if (fromfile || pop) {  in main()
286 				/* pop the 'i' modules we just added */  in main()
350 		 * Pop all modules currently on the stream.  in main()
367 				 * pop whatever new modules we've pushed  in main()
393 	 *	pop all modules (except driver)  in main()
407 	 *	pop up to (but not including) a module  in main()
433 	 *	pop the topmost module  in main()
435 	if (pop) {  in main()
447  * pop_module(n)		pop 'n' modules from stream