changes in memory mount and socket subsystem to port thttpd

libraries/nacl-mounts/util/DebugPrint.h

 /*
  * Copyright (c) 2012 The Native Client Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef PACKAGES_LIBRARIES_NACL_MOUNTS_UTIL_DEBUGPRINT_H_
 #define PACKAGES_LIBRARIES_NACL_MOUNTS_UTIL_DEBUGPRINT_H_
 
 #include <stdio.h>
 #include <stdarg.h>
 #include <sys/types.h>
 
+#ifdef __cplusplus
 extern "C" {
+#endif
   ssize_t __real_write(int fd, const void *buf, size_t count);
+#ifdef __cplusplus
 }
+#endif
 
 static int dbgprintf(const char* format, ...) {
   const int buf_size = 1000;
   char buf[buf_size];
   va_list args;
   va_start(args, format);
   ssize_t r = vsnprintf(buf, buf_size, format, args);
   if (r > 0)
     __real_write(2, buf, r);
   va_end(args);
   return r;
 }
 
 #endif  // PACKAGES_LIBRARIES_NACL_MOUNTS_UTIL_DEBUGPRINT_H_