tt_message_scope(library call)											    tt_message_scope(library call)

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 mes-
       sage.  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/tt_c.h - Tttt_c(5), tt_int_error(3).

														    tt_message_scope(library call)