tt_message_gid(3) — Subroutines
CDE
NAME
tt_message_gid − retrieve the group identifier attribute from a message
SYNOPSIS
#include <tt_c.h> gid_t tt_message_gid(Tt_message m);
DESCRIPTION
The tt_message_gid function retrieves the group identifier attribute from the specified message.
The ToolTalk service automatically sets the group identifier of a message with the group identifier of the process that created the message.
The m argument is the opaque handle for the message involved in this operation.
RETURN VALUE
Upon successful completion, the tt_message_gid function returns the group identifier of the message. If the group nobody is returned, the message handle is not valid.