* #35924 (zrtp): switch to libzrtpcpp
diff --git a/jni/libzrtp/sources/common/osSpecifics.h b/jni/libzrtp/sources/common/osSpecifics.h
new file mode 100644
index 0000000..5030688
--- /dev/null
+++ b/jni/libzrtp/sources/common/osSpecifics.h
@@ -0,0 +1,120 @@
+/*
+ Copyright (C) 2012-2013 Werner Dittmann
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _OSSPECIFICS_H_
+#define _OSSPECIFICS_H_
+
+/**
+ * @file osSpecifics.h
+ * @brief Some functions to adapt to OS and/or compiler specific handling
+ * @defgroup GNU_ZRTP The GNU ZRTP C++ implementation
+ * @{
+ *
+ * This modules contains some functions that are either specific for a particular
+ * OS or use include files that are not common.
+ *
+ * This header file shall not #include system specific header files and shall also
+ * not use specific #ifdef stuff. Refer to @c osSpecifics.c for the OS specific
+ * #include, #ifdef and implementations.
+ *
+ * @author Werner Dittmann <Werner.Dittmann@t-online.de>
+ */
+
+#ifndef __EXPORT
+ #if (defined _WIN32 || defined __CYGWIN__) && defined(_DLL)
+ #define __EXPORT __declspec(dllimport)
+ #define __LOCAL
+ #elif __GNUC__ >= 4
+ #define __EXPORT __attribute__ ((visibility("default")))
+ #define __LOCAL __attribute__ ((visibility("hidden")))
+ #else
+ #define __EXPORT
+ #define __LOCAL
+ #endif
+#endif
+
+#if defined(_WIN32) || defined(_WIN64)
+# define snprintf _snprintf
+#endif
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+/**
+ * Get surrent system time in milli-second.
+ *
+ * @return current time in ms.
+ */
+extern uint64_t zrtpGetTickCount();
+
+/**
+ * Convert a 32bit variable from network to host order.
+ *
+ * Replaces the macros found in @c inet.h or @c WinSock2.h. Use this function
+ * to avoid different includes freamed with @c #idef in the sources. Including
+ * @c WinSock2 will increase compile time and may lead to other subtle problems
+ * because @c WinSock2 also includes @c windows.h.
+ *
+ * @param net 32bit variable in network byte order.
+ *
+ * @return 32bit variable in host byte order.
+ */
+extern uint32_t zrtpNtohl (uint32_t net);
+
+/**
+ * Convert a 16bit variable from network to host order.
+ *
+ * @param net 16bit variable in network byte order.
+ *
+ * @return 16bit variable in host byte order.
+ *
+ * @sa zrtpNtohl()
+ */
+extern uint16_t zrtpNtohs (uint16_t net);
+
+/**
+ * Convert a 32bit variable from host to network order.
+ *
+ * @param host 32bit variable in host byte order.
+ *
+ * @return 32bit variable in network byte order.
+ *
+ * @sa zrtpNtohl()
+ */
+extern uint32_t zrtpHtonl (uint32_t host);
+
+/**
+ * Convert a 16bit variable from host to network order.
+ *
+ * @param host 16bit variable in host byte order.
+ *
+ * @return 16bit variable in network byte order.
+ *
+ * @sa zrtpNtohl()
+ */
+extern uint16_t zrtpHtons (uint16_t host);
+
+#if defined(__cplusplus)
+}
+#endif
+
+
+/**
+ * @}
+ */
+#endif