mq_send
int mq_send(mqd_t, const char *, size_t, unsigned);
__typeof(mq_send) _sys_mq_send;
__strong_alias(_mq_send, mq_send)
ATF_REQUIRE_MSG(mq_send(mqfd, msg, sizeof(msg), MQ_PRIO_BASE) != -1,
ATF_REQUIRE_MSG(mq_send(mqfd, msg, sizeof(msg), MQ_PRIO_BASE + 1) != -1,
ATF_REQUIRE_MSG(mq_send(mqfd, msg, sizeof(msg), MQ_PRIO_BASE) != -1,
ATF_REQUIRE_MSG(mq_send(mqfd, msg, sizeof(msg), MQ_PRIO_BASE - 1) != -1,
ATF_REQUIRE_MSG(mq_send(mqfd, msg, sizeof(msg), 0) != -1,
ATF_REQUIRE_MSG(mq_send(mqfd, msg, sizeof(msg), MQ_PRIO_BASE + 1) != -1,
RL(mq_send(mq, buf, sizeof(buf), 0));