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NAME
     tt_message_scope - retrieve the scope attribute from a  mes-
     sage

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

DESCRIPTION
     The tt_message_scope() function retrieves the  scope  attri-
     bute 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 eligi-
     ble 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
     tt_c(5), tt_int_error(3).

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