k5_os_mutex
k5_os_mutex *_m2 = (M); \
k5_pthread_mutex_lock(k5_os_mutex *m)
static void k5_pthread_assert_locked(k5_os_mutex *m) { }
static int k5_os_mutex_finish_init(k5_os_mutex *m) { return 0; }
static int k5_os_mutex_lock(k5_os_mutex *m)
k5_os_mutex os;