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/*
* Copyright (c) 2017-2019 Apple Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __DNS64_h
#define __DNS64_h
#include "mDNSEmbeddedAPI.h"
#define DNS64IsQueryingARecord(STATE) (((STATE) == kDNS64State_QueryA) || ((STATE) == kDNS64State_QueryA2))
#define DNS64ShouldAnswerQuestion(Q, RR) (DNS64IsQueryingARecord((Q)->dns64.state) && ((RR)->rrtype == kDNSType_A))
#ifdef __cplusplus
extern "C" {
#endif
mDNSexport mDNSBool DNS64StateMachine(mDNS *m, DNSQuestion *inQ, const ResourceRecord *inRR, QC_result inResult);
mDNSexport mStatus DNS64AnswerCurrentQuestion(mDNS *m, const ResourceRecord *inRR, QC_result inResult);
mDNSexport void DNS64HandleNewQuestion(mDNS *m, DNSQuestion *inQ);
mDNSexport void DNS64ResetState(DNSQuestion *inQ);
mDNSexport void DNS64RestartQuestions(mDNS *m);
#ifdef __cplusplus
}
#endif
#endif // __DNS64_h
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