.SH DESCRIPTION
.BR mq_send ()
adds the message pointed to by
-.IR msg_ptr
+.I msg_ptr
to the message queue referred to by the descriptor
.IR mqdes .
The
was less than zero or greater than 1000 million.
.TP
.B EMSGSIZE
-.IR msg_len
+.I msg_len
was greater than the
.I mq_msgsize
attribute of the message queue.