tt_message_op(3)

tt_message_op(3)       C LIBRARY FUNCTIONS	 tt_message_op(3)

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
     Tttt_c(5),	tt_ptr_error(3), tt_free(3).

Unix System LaboratorLast change: 11 May 1994			1