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NAME
     tt_pattern_disposition_add - add a value to the  disposition
     field for a pattern

SYNOPSIS
     #include <Tt/tt_c.h>
     Tt_status tt_pattern_disposition_add(Tt_pattern p,
                                          Tt_disposition r);

DESCRIPTION
     The tt_pattern_disposition_add() function adds  a  value  to
     the disposition field for the specified pattern.

     The p argument is a unique handle  for  a  message  pattern.
     This   handle  is  returned  after  tt_pattern_create(3)  is
     called.

     The r argument indicates whether an instance of the receiver
     is  to  be  started  to  receive the message immediately, or
     whether the message is to be queued until the receiving pro-
     cess is started at a later time or discarded if the receiver
     is not started.  The following values are defined:

        TT_DISCARD
                There is no receiver for this message.  The  mes-
                sage  will  be  returned  to  the sender with the
                Tt_status field containing TT_FAILED.

        TT_QUEUE
                Queue the message until a process of  the  proper
                ptype receives the message.

        TT_START
                Attempt to start a process of the proper ptype if
                none is running.

        TT_QUEUE+TT_START
                Queue the message and attempt to start a  process
                of the proper ptype if none is running.

RETURN VALUE
     Upon successful completion, the tt_pattern_disposition_add()
     function  returns  the status of the operation as one of the
     following Tt_status values:

        TT_OK   The operation completed successfully.

        TT_ERR_NOMP
                The ttsession(1) process is not running  and  the
                ToolTalk service cannot restart it.

        TT_ERR_POINTER
                The pointer passed does not point to an object of
                the correct type for this operation.

SEE ALSO
     tt_c(5), tt_pattern_create(3).

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