pop_node         2187 lib-src/etags.c 	  while (node_right == NULL && (np = pop_node (&stack)) != NULL)
pop_node         2353 lib-src/etags.c 	      while ((np = pop_node (&stack)) != NULL)
pop_node         2534 lib-src/etags.c 	      np = pop_node (&stack);
pop_node         2546 lib-src/etags.c       while ((np = pop_node (&stack)) != NULL)