Protocol Buffers - Google's data interchange format (grpc依赖) https://developers.google.com/protocol-buffers/
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// Protocol Buffers - Google's data interchange format
// Copyright 2023 Google LLC. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#ifndef UPB_MESSAGE_COMPAT_H_
#define UPB_MESSAGE_COMPAT_H_
#include <stdint.h>
#include "upb/message/message.h"
#include "upb/mini_table/extension.h"
// Must be last.
#include "upb/port/def.inc"
// upb does not support mixing minitables from different sources but these
// functions are still used by some existing users so for now we make them
// available here. This may or may not change in the future so do not add
// them to new code.
#ifdef __cplusplus
extern "C" {
#endif
#define kUpb_Message_ExtensionBegin 0;
bool upb_Message_NextExtension(const upb_Message* msg,
const upb_MiniTableExtension** result,
uintptr_t* iter);
// Returns the minitable with the given field number, or NULL on failure.
const upb_MiniTableExtension* upb_Message_FindExtensionByNumber(
const upb_Message* msg, uint32_t field_number);
#ifdef __cplusplus
} /* extern "C" */
#endif
#include "upb/port/undef.inc"
#endif /* UPB_MESSAGE_COMPAT_H_ */