get_command
static struct op *get_command(int);
if ((t->left = get_command(CONTIN)) == NULL) {
t = get_command(cf);
if ((p = get_command(CONTIN)) == NULL)
int get_command(const char *, int, int *);
while (get_command("Command (? for help): ", first_get, &command)) {
static int get_command(void);
if ((fsm = get_command()) == -1)