mq_recv1
error = mq_recv1(SCARG(uap, mqdes), SCARG(uap, msg_ptr),
error = mq_recv1((mqd_t)SCARG(uap, mqdes), SCARG(uap, msg_ptr),
error = mq_recv1(SCARG(uap, mqdes), SCARG_P32(uap, msg_ptr),
error = mq_recv1(SCARG(uap, mqdes), SCARG_P32(uap, msg_ptr),
error = mq_recv1(SCARG(uap, mqdes), SCARG_P32(uap, msg_ptr),
error = mq_recv1(SCARG(uap, mqdes), SCARG(uap, msg_ptr),
error = mq_recv1(SCARG(uap, mqdes), SCARG(uap, msg_ptr),
int mq_recv1(mqd_t, void *, size_t, u_int *, struct timespec *, ssize_t *);