tt_message_scope(3)

NAME
     tt_message_scope - retrieve the scope attribute from a message

SYNOPSIS
     #include <Tt/tt_c.h>
     Tt_scope tt_message_scope(Tt_message m);

DESCRIPTION
     The tt_message_scope() function retrieves the scope 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_scope() function returns a
     value that identifies the set of processes eligible to receive the
     message.  The following values are defined:

        TT_SESSION
                All processes joined to the indicated session are eligible.

        TT_FILE
                All processes joined to the indicated file are eligible.

        TT_BOTH
                All processes joined to either indicated file or the indicated
                session are eligible.

        TT_FILE_IN_SESSION
                All processes joined to both the indicated file and the
                indicated session are eligible.

     The application can use tt_int_error(3) to extract one of the following
     Tt_status values from the Tt_scope integer return value:

        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
     Tttt_c(5), tt_int_error(3).