--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/defical-c/src/msvc/gettimeofday.c	Fri Apr 02 23:11:57 2010 +0700
@@ -0,0 +1,51 @@
+#include <time.h>
+#include <windows.h>
+
+#if defined(_MSC_VER) || defined(_MSC_EXTENSIONS)
+  #define DELTA_EPOCH_IN_MICROSECS  11644473600000000Ui64
+#else
+  #define DELTA_EPOCH_IN_MICROSECS  11644473600000000ULL
+#endif
+
+struct timezone 
+{
+  int  tz_minuteswest; /* minutes W of Greenwich */
+  int  tz_dsttime;     /* type of dst correction */
+};
+
+int gettimeofday(struct timeval *tv, struct timezone *tz)
+{
+  FILETIME ft;
+  unsigned __int64 tmpres = 0;
+  static int tzflag = 0;
+
+  if (NULL != tv)
+  {
+    GetSystemTimeAsFileTime(&ft);
+
+    tmpres |= ft.dwHighDateTime;
+    tmpres <<= 32;
+    tmpres |= ft.dwLowDateTime;
+
+    tmpres /= 10;  /*convert into microseconds*/
+    /*converting file time to unix epoch*/
+    tmpres -= DELTA_EPOCH_IN_MICROSECS; 
+    tv->tv_sec = (long)(tmpres / 1000000UL);
+    tv->tv_usec = (long)(tmpres % 1000000UL);
+  }
+
+  if (NULL != tz)
+  {
+    if (!tzflag)
+    {
+      _tzset();
+      tzflag++;
+    }
+    tz->tz_minuteswest = _get_timezone(tz) / 60;
+    tz->tz_dsttime = _daylight;
+  }
+
+  return 0;
+}
+
+