tt_pattern_class_add(library call)										tt_pattern_class_add(library call)

NAME

       tt_pattern_class_add -- add a value to the class information for a pattern

SYNOPSIS

       #include <Tt/tt_c.h>
       Tt_status tt_pattern_class_add(
       Tt_pattern p,
       Tt_class c);

DESCRIPTION

       The tt_pattern_class_add function adds a value to the class information for the specified pattern.

       If the class is TT_REQUEST, the sending process expects a reply to the message.

       If the class is TT_NOTICE, the sending process does not expect a reply to the message.

       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 is to take action after the message is received.  The following values are defined:

       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.

RETURN VALUE

       Upon successful completion, the tt_pattern_class_add function returns the status of the operation as one of the following Tt_status values:

       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

       Tt/tt_c.h - Tttt_c(5), tt_pattern_create(3).

														tt_pattern_class_add(library call)