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diff --git a/pcap-types.h b/pcap-types.h
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+/*
+ * Copyright (c) 2002 - 2005 NetGroup, Politecnico di Torino (Italy)
+ * Copyright (c) 2005 - 2009 CACE Technologies, Inc. Davis (California)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Politecnico di Torino nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef pcap_types_h
+#define pcap_types_h
+
+/*
+ * Get the integer types we use defined, by hook or by crook.
+ */
+#if defined(_MSC_VER)
+  /*
+   * Target is Windows, compiler is MSVC.
+   */
+  #if _MSC_VER >= 1800
+    /*
+     * VS 2013 or newer; we have <inttypes.h>.
+     */
+    #include <inttypes.h>
+
+    #define u_int8_t uint8_t
+    #define u_int16_t uint16_t
+    #define u_int32_t uint32_t
+    #define u_int64_t uint64_t
+  #else
+    /*
+     * Earlier VS; we have to define this stuff ourselves.
+     */
+    #ifndef HAVE_U_INT8_T
+      typedef unsigned char u_int8_t;
+      typedef signed char int8_t;
+    #endif
+
+    #ifndef HAVE_U_INT16_T
+      typedef unsigned short u_int16_t;
+      typedef signed short int16_t;
+    #endif
+
+    #ifndef HAVE_U_INT32_T
+      typedef unsigned int u_int32_t;
+      typedef signed int int32_t;
+    #endif
+
+    #ifndef HAVE_U_INT64_T
+      #ifdef _MSC_EXTENSIONS
+        typedef unsigned _int64 u_int64_t;
+        typedef _int64 int64_t;
+      #else /* _MSC_EXTENSIONS */
+        typedef unsigned long long u_int64_t;
+        typedef long long int64_t;
+      #endif
+    #endif
+  #endif
+#elif defined(__MINGW32__)
+  /*
+   * Target is Windows, compiler is MinGW.
+   */
+  #include <stdint.h>
+#elif !defined(_WIN32)
+  /*
+   * Target is UN*X or MS-DOS.
+   */
+  #if HAVE_INTTYPES_H
+    #include <inttypes.h>
+  #elif HAVE_STDINT_H
+    #include <stdint.h>
+  #endif
+  #ifdef HAVE_SYS_BITYPES_H
+    #include <sys/bitypes.h>
+  #endif
+  #include <sys/types.h>
+#endif
+
+#endif /* pcap_types_h */