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diff --git a/lib/interception/interception_win.h b/lib/interception/interception_win.h
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+//===-- interception_linux.h ------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of AddressSanitizer, an address sanity checker.
+//
+// Windows-specific interception methods.
+//===----------------------------------------------------------------------===//
+
+#ifdef _WIN32
+
+#if !defined(INCLUDED_FROM_INTERCEPTION_LIB)
+# error "interception_win.h should be included from interception library only"
+#endif
+
+#ifndef INTERCEPTION_WIN_H
+#define INTERCEPTION_WIN_H
+
+namespace __interception {
+// returns true if a function with the given name was found.
+bool GetRealFunctionAddress(const char *func_name, void **func_addr);
+
+// returns true if the old function existed, false on failure.
+bool OverrideFunction(void *old_func, void *new_func, void **orig_old_func);
+} // namespace __interception
+
+#if defined(_DLL)
+# define INTERCEPT_FUNCTION_WIN(func) \
+ ::__interception::GetRealFunctionAddress(#func, (void**)&REAL(func))
+#else
+# define INTERCEPT_FUNCTION_WIN(func) \
+ ::__interception::OverrideFunction((void*)func, (void*)WRAP(func), \
+ (void**)&REAL(func))
+#endif
+
+#endif // INTERCEPTION_WIN_H
+#endif // _WIN32
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