tt_message_opnum(3) ToolTalk Functions tt_message_opnum(3)NAMEtt_message_opnum - retrieve the operation number attribute from a mes‐
sage
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 cor‐
rect type for this operation.
SEE ALSOtt_c(5), tt_int_error(3).
ToolTalk 1.3 1 March 1996 tt_message_opnum(3)