tt_message_class(3)

NAME
tt_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:

    A notice of an event. The sender does not want feedback on this message.
    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:

    The operation completed successfully.
    The ttsession(1) process is not running and the ToolTalk service cannot restart it.
    The pointer passed does not point to an object of the correct type for this operation.

SEE ALSO
Tttt_c(5), tt_int_error(3).