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NAME
     tt_message_op - retrieve the operation attribute from a mes-
     sage

SYNOPSIS
     #include <Tt/tt_c.h>
     char *tt_message_op(Tt_message m);

DESCRIPTION
     The tt_message_op() function retrieves the operation  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_op()  function
     returns the operation which the receiving process is to per-
     form.  The application can use  tt_ptr_error(3)  to  extract
     one  of  the  following  Tt_status  values from the returned
     pointer:

        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.

APPLICATION USAGE
     The application should  use  tt_free(3)  to  free  any  data
     stored in the address returned by the ToolTalk API.

SEE ALSO
     tt_c(5), tt_ptr_error(3), tt_free(3).

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