Function pthread_key_create
pub unsafe extern "C" fn pthread_key_create(key: *mut pthread_key_t, dtor: Option<unsafe extern "C" fn(*mut c_void)>) -> c_intpthread_key_createpub unsafe extern "C" fn pthread_key_create(key: *mut pthread_key_t, dtor: Option<unsafe extern "C" fn(*mut c_void)>) -> c_int