pub unsafe extern "C" fn pthread_cond_timedwait(
cond: *mut pthread_cond_t,
lock: *mut pthread_mutex_t,
abstime: *const timespec,
) -> c_int
pub unsafe extern "C" fn pthread_cond_timedwait(
cond: *mut pthread_cond_t,
lock: *mut pthread_mutex_t,
abstime: *const timespec,
) -> c_int