pop_node         2188 lib-src/etags.c 	  while (node_right == NULL && (np = pop_node (&stack)) != NULL)
pop_node         2354 lib-src/etags.c 	      while ((np = pop_node (&stack)) != NULL)
pop_node         2535 lib-src/etags.c 	      np = pop_node (&stack);
pop_node         2547 lib-src/etags.c       while ((np = pop_node (&stack)) != NULL)