tt_message_class(library call) tt_message_class(library call)
NAMEtt_message_class — retrieve the class attribute from a message
SYNOPSIS
#include <Tt/tt_c.h>
Tt_class tt_message_class(
Tt_message m);
DESCRIPTION
The tt_message_class function retrieves the class attribute 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 ser‐
vice 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_int_error(3).
tt_message_class(library call)
