NAME
    ReplyMsg -- put a message to its reply port
SYNOPSIS
    ReplyMsg(message)
             A1
    void ReplyMsg(struct message *);
FUNCTION
    This function sends a message to its reply port.  This is usually
    done when the receiver of a message has finished and wants to
    return it to the sender (so that it can be re-used or deallocated,
    whatever).
    This call may be made from interrupts.
INPUT
    message - a pointer to the message
IMPLEMENTATION
    1> Places "NT_REPLYMSG" into LN_TYPE.
    2> Puts the message to the port specified by MN_REPLYPORT
       If there is no replyport, sets LN_TYPE to "NT_FREEMSG" (use this
       feature only with extreeme care).
SEE ALSO
    getmsg, putmsg, exec/ports.h