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NAME
     tttk_message_create - create a message conforming to the CDE
     conventions

SYNOPSIS
     #include <Tt/tttk.h>
     Tt_message tttk_message_create(Tt_message context,
                                    Tt_class the_class,
                                    Tt_scope the_scope,
                                    const char *handler,
                                    const char *op,
                                    Tt_message_callback callback);

DESCRIPTION
     The tttk_message_create() function creates  a  message  that
     propagates  inherited  contexts from one message to another.
     The tttk_message_create() function  creates  a  message  and
     copies  onto  it  all  the  context slots from context whose
     slotname begins with the  characters  ENV_.   It  gives  the
     created  message  a  Tt_class of the_class and a Tt_scope of
     the_scope.     If    handler    is    not     NULL,     then
     tttk_message_create()  addresses the message as a TT_HANDLER
     to that procid; otherwise, it gives the message a Tt_address
     of  TT_PROCEDURE.   It  sets the message's op to op if op is
     not NULL.  If callback is  not  NULL,  tttk_message_create()
     adds it to the message as a message callback.

RETURN VALUE
     Upon successful completion, the tttk_message_create()  func-
     tion returns the created Tt_message , which can be modified,
     sent, and destroyed like any other Tt_message  ;  otherwise,
     it  returns  an  error  pointer.   The  application  can use
     tt_ptr_error(3) to extract one of  the  following  Tt_status
     values from the returned handle:

        TT_ERR_NOMEM
                There is insufficient memory available to perform
                the function.

        TT_ERR_NOMP
                The ttsession(1) process is not running  and  the
                ToolTalk service cannot restart it.

        TT_ERR_PROCID
                The specified process identifier is out  of  date
                or invalid.

SEE ALSO
     tttk(5), tt_message_create(3), tttk_message_create(3),
     ttdt_file_notice(3), ttdt_file_request(3).

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