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NAME
     tt_message_class - retrieve the class attribute from a  mes-
     sage

SYNOPSIS
     #include <Tt/tt_c.h>
     Tt_class tt_message_class(Tt_message m);

DESCRIPTION
     The tt_message_class() function retrieves the  class  attri-
     bute from the specified message.

     The m argument is the opaque handle for the message involved
     in this operation.

RETURN VALUE
     Upon successful completion, the tt_message_class()  function
     returns  a  value that indicates whether the sender wants an
     action to take place after the  message  is  received.   The
     tt_message_class()  function  returns  one  of the following
     Tt_status values:

        TT_NOTICE
                A notice of an event.  The sender does  not  want
                feedback on this message.

        TT_REQUEST
                A request for  some  action  to  be  taken.   The
                sender  must  be notified of progress, success or
                failure, and must receive any return values.

     The application can use tt_int_error(3) to  extract  one  of
     the following Tt_status values from the Tt_class integer:

        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_int_error(3).

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