]

<DL COMPACT>
<DT> 
<DD> 
returns T if <EM>stream</EM> is connected to a tty-type
device (a serial port or a pseudo tty) .
</DD>
</DL>
<BR>
<BR>

<P>

<A NAME="22651"></A>
<B>unix:msgget</B> <EM>key mode </EM>[function]

<DL COMPACT>
<DT> 
<DD> 
creates or allocates a message queue which is addressed by <EM>key</EM>.
</DD>
</DL>
<BR>
<BR>

<A NAME="22662"></A>
<B>unix:msgsnd</B> <EM>qid buf [mtype [flag]] </EM>[function]

<DL COMPACT>
<DT> 
<DD>  
</DD>
</DL>
<BR>
<BR>

<A NAME="22673"></A>
<B>unix:msgrcv