Added OS X filesystem-support

include/osx_largefilewrapper.h

@@ -0,0 +1,16 @@
+#ifndef OSX_LARGEFILEWRAPPER_H
+#define OSX_LARGEFILEWRAPPER_H
+
+#if defined(__APPLE__)
+#include <stdio.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+int fseeko64(FILE* fp, off_t offset, int whence);
+off_t ftello64(FILE* fp);
+#ifdef __cplusplus
+}
+#endif
+#endif
+
+#endif // OSX_LARGEFILEWRAPPER_H