tt_message_class(3)

tt_message_class(3)    C LIBRARY FUNCTIONS    tt_message_class(3)

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
     Tttt_c(5),	tt_int_error(3).

Unix System LaboratorLast change: 11 May 1994			1