pop_last_hash    4828 io.c               opt = pop_last_hash(&argc, argv);
pop_last_hash    4871 io.c               opt = pop_last_hash(&argc, argv);
pop_last_hash    5929 io.c               opt = pop_last_hash(&argc, argv);
pop_last_hash    7065 io.c               opt = pop_last_hash(&argc, argv);
pop_last_hash    7119 io.c               opt = pop_last_hash(&arg->argc, arg->argv);
pop_last_hash    7926 io.c               opt = pop_last_hash(&argc, argv);