Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.

sdk/lib/crt/time/difftime.c

@@ -0,0 +1,23 @@
+/*
+ * COPYRIGHT:   LGPL, See LGPL.txt in the top level directory
+ * PROJECT:     ReactOS CRT library
+ * FILE:        lib/sdk/crt/time/difftime.c
+ * PURPOSE:     Implementation of difftime
+ * PROGRAMERS:  Timo Kreuzer
+ */
+#include <time.h>
+#include "bitsfixup.h"
+
+/**
+ * \name difftime
+ * \brief Retrurns the difference between two time_t values in seconds.
+ * \param time1 Beginning time.
+ * \param time2 Ending time.
+ */
+double
+difftime(
+    time_t time1, /**< Beginning time */
+    time_t time2) /**< Ending time */
+{
+    return (double)(time1 - time2);
+}