-- C97201G.ADA
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-- C97201G.ADA
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-- Grant of Unlimited Rights
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-- Grant of Unlimited Rights
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--
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--
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- unlimited rights in the software and documentation contained herein.
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-- unlimited rights in the software and documentation contained herein.
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- this public release, the Government intends to confer upon all
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-- this public release, the Government intends to confer upon all
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-- recipients unlimited rights equal to those held by the Government.
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-- recipients unlimited rights equal to those held by the Government.
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-- These rights include rights to use, duplicate, release or disclose the
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-- These rights include rights to use, duplicate, release or disclose the
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-- released technical data and computer software in whole or in part, in
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-- released technical data and computer software in whole or in part, in
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- to do so.
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-- to do so.
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--
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--
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-- DISCLAIMER
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-- DISCLAIMER
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--
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--
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--*
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-- CHECK THAT A RENDEZVOUS REQUESTED BY A CONDITIONAL_ENTRY_CALL
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-- CHECK THAT A RENDEZVOUS REQUESTED BY A CONDITIONAL_ENTRY_CALL
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-- IS PERFORMED ONLY IF IMMEDIATELY POSSIBLE.
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-- IS PERFORMED ONLY IF IMMEDIATELY POSSIBLE.
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-- CASE G: THE CORRESPONDING ACCEPT_STATEMENT IS CLOSED
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-- CASE G: THE CORRESPONDING ACCEPT_STATEMENT IS CLOSED
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-- AND THIS FACT IS STATICALLY DETERMINABLE.
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-- AND THIS FACT IS STATICALLY DETERMINABLE.
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-- RM 4/21/82
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-- RM 4/21/82
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WITH REPORT; USE REPORT;
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WITH REPORT; USE REPORT;
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PROCEDURE C97201G IS
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PROCEDURE C97201G IS
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ELSE_BRANCH_TAKEN : BOOLEAN := FALSE ;
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ELSE_BRANCH_TAKEN : BOOLEAN := FALSE ;
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RENDEZVOUS_OCCURRED : BOOLEAN := FALSE ;
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RENDEZVOUS_OCCURRED : BOOLEAN := FALSE ;
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QUEUE_NOT_EMPTY : BOOLEAN := FALSE ;
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QUEUE_NOT_EMPTY : BOOLEAN := FALSE ;
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X : INTEGER := 17 ;
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X : INTEGER := 17 ;
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BEGIN
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BEGIN
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TEST ("C97201G", "CHECK THAT NO RENDEZVOUS REQUESTED BY" &
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TEST ("C97201G", "CHECK THAT NO RENDEZVOUS REQUESTED BY" &
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" A CONDITIONAL_ENTRY_CALL CAN EVER OCCUR" &
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" A CONDITIONAL_ENTRY_CALL CAN EVER OCCUR" &
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" IF THE CORRESPONDING ACCEPT_STATEMENT IS" &
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" IF THE CORRESPONDING ACCEPT_STATEMENT IS" &
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" CLOSED" );
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" CLOSED" );
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-------------------------------------------------------------------
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-------------------------------------------------------------------
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DECLARE
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DECLARE
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TASK T IS
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TASK T IS
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ENTRY DO_IT_NOW_ORELSE( DID_YOU_DO_IT : IN OUT BOOLEAN);
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ENTRY DO_IT_NOW_ORELSE( DID_YOU_DO_IT : IN OUT BOOLEAN);
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ENTRY KEEP_ALIVE ;
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ENTRY KEEP_ALIVE ;
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END T ;
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END T ;
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TASK BODY T IS
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TASK BODY T IS
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BEGIN
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BEGIN
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IF DO_IT_NOW_ORELSE'COUNT /= 0 THEN
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IF DO_IT_NOW_ORELSE'COUNT /= 0 THEN
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QUEUE_NOT_EMPTY := TRUE ;
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QUEUE_NOT_EMPTY := TRUE ;
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END IF;
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END IF;
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SELECT
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SELECT
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WHEN 3 = 5 =>
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WHEN 3 = 5 =>
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ACCEPT DO_IT_NOW_ORELSE
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ACCEPT DO_IT_NOW_ORELSE
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( DID_YOU_DO_IT : IN OUT BOOLEAN)
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( DID_YOU_DO_IT : IN OUT BOOLEAN)
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DO
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DO
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DID_YOU_DO_IT := TRUE ;
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DID_YOU_DO_IT := TRUE ;
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END;
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END;
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OR
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OR
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ACCEPT KEEP_ALIVE ; -- TO PREVENT SELECT_ERROR
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ACCEPT KEEP_ALIVE ; -- TO PREVENT SELECT_ERROR
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END SELECT;
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END SELECT;
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IF DO_IT_NOW_ORELSE'COUNT /= 0 THEN
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IF DO_IT_NOW_ORELSE'COUNT /= 0 THEN
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QUEUE_NOT_EMPTY := TRUE ;
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QUEUE_NOT_EMPTY := TRUE ;
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END IF;
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END IF;
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END T ;
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END T ;
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BEGIN
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BEGIN
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COMMENT( "PERMANENTLY CLOSED" );
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COMMENT( "PERMANENTLY CLOSED" );
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SELECT
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SELECT
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T.DO_IT_NOW_ORELSE( RENDEZVOUS_OCCURRED );
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T.DO_IT_NOW_ORELSE( RENDEZVOUS_OCCURRED );
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ELSE -- (I.E. CALLER ADOPTS A NO-WAIT POLICY)
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ELSE -- (I.E. CALLER ADOPTS A NO-WAIT POLICY)
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-- THEREFORE THIS BRANCH MUST BE CHOSEN
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-- THEREFORE THIS BRANCH MUST BE CHOSEN
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ELSE_BRANCH_TAKEN := TRUE ;
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ELSE_BRANCH_TAKEN := TRUE ;
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COMMENT( "ELSE_BRANCH TAKEN" );
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COMMENT( "ELSE_BRANCH TAKEN" );
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END SELECT;
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END SELECT;
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T.KEEP_ALIVE ; -- THIS ALSO UPDATES THE NONLOCALS
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T.KEEP_ALIVE ; -- THIS ALSO UPDATES THE NONLOCALS
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END; -- END OF BLOCK CONTAINING THE ENTRY CALL
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END; -- END OF BLOCK CONTAINING THE ENTRY CALL
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-------------------------------------------------------------------
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-------------------------------------------------------------------
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-- BY NOW, THE TASK IS TERMINATED
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-- BY NOW, THE TASK IS TERMINATED
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IF RENDEZVOUS_OCCURRED
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IF RENDEZVOUS_OCCURRED
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THEN
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THEN
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FAILED( "RENDEZVOUS OCCURRED" );
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FAILED( "RENDEZVOUS OCCURRED" );
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END IF;
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END IF;
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IF QUEUE_NOT_EMPTY
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IF QUEUE_NOT_EMPTY
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THEN
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THEN
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FAILED( "ENTRY QUEUE NOT EMPTY" );
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FAILED( "ENTRY QUEUE NOT EMPTY" );
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END IF;
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END IF;
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IF ELSE_BRANCH_TAKEN THEN
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IF ELSE_BRANCH_TAKEN THEN
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NULL ;
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NULL ;
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ELSE
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ELSE
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FAILED( "RENDEZVOUS ATTEMPTED?" );
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FAILED( "RENDEZVOUS ATTEMPTED?" );
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END IF;
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END IF;
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RESULT;
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RESULT;
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END C97201G ;
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END C97201G ;
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