monitor_type
const char *, enum monitor_type, int, const char *,
int hooks_monitor_get(struct options_entry *, enum monitor_type *, int *,
int monitor_parse(const char *, char **, enum monitor_type *, int *,
void monitor_add(struct monitor_set *, const char *, enum monitor_type, int,
void control_add_sub(struct client *, const char *, enum monitor_type, int,