title: what is STATUS in C? Is it a keyword /definition / return value?
body: <pre><code>void slpEnableService (void)
  {
  
      STATUS status;
      slp_task_msg_t msg;
      int slpEventBuf = 1;
  
      msg.id = SLP_MSG_ENABLE;
      status = msgQSend(slp_msg_queue, (char *)&amp;msg, sizeof(slp_task_msg_t),
              NO_WAIT, MSG_PRI_NORMAL);
      assert(status == OK);
      write(slp_fifo_wr_fd, &amp;slpEventBuf, sizeof(slpEventBuf)); 
  
  }
  </code></pre>
  
  <p>what is STATUS here?</p>