tt_message_opnum(library call) tt_message_opnum(library call)
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:
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_int_error(3).
tt_message_opnum(library call)