tt_pattern_category_set(3)

tt_pattern_category_setC3LIBRARY FUNCTItt_pattern_category_set(3)

NAME
     tt_pattern_category_set - fill in the category field  for	a
     pattern

SYNOPSIS
     #include <Tt/tt_c.h>

     Tt_status tt_pattern_category_set(Tt_pattern p,
				       Tt_category c);

DESCRIPTION
     The tt_pattern_category_set() function fills in the category
     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 c argument indicates whether the receiving process  will
     observe  or  handle  messages.   The  following  values  are
     defined:

	TT_OBSERVE
		The receiving process will observe messages.

	TT_HANDLE
		The receiving process will handle messages.

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

	TT_OK	The operation completed	successfully.

	TT_ERR_CATEGORY
		The pattern object has no category set.

	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_pattern_category(3),	tt_pattern_create(3).

Unix System LaboratorLast change: 11 May 1994			1