tt_pattern_category_set(3) — Subroutines
CDE
NAME
tt_pattern_category_set − fill in the category field for a pattern
SYNOPSIS
#include <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.