tt_message_opnum(3)

NAME
tt_message_opnum - retrieve the operation number attribute from a message

SYNOPSIS
#include <Tt/tt_c.h>

int tt_message_opnum(Tt_message m);

DESCRIPTION
The tt_message_opnum() function retrieves the operation number 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_opnum() function returns the number of the operation involved in this message. The application can use tt_int_error(3) to extract one of the following Tt_status values from the returned 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).