const char *kill_who_to_string(KillWho k) _const_;
KillWho kill_who_from_string(const char *s) _pure_;
-int machine_openpt(Machine *m, int flags);
+int machine_openpt(Machine *m, int flags, char **ret_slave);
int machine_open_terminal(Machine *m, const char *path, int mode);
int machine_get_uid_shift(Machine *m, uid_t *ret);