Added difftime function.

dlls/crtdll/crtdll.spec

@@ -359,7 +359,7 @@ init    CRTDLL_Init
 @ cdecl cos(double) cos
 @ cdecl cosh(double) cosh
 @ cdecl ctime(ptr) ctime
-@ stub difftime
+@ cdecl difftime(long long) CRTDLL_difftime
 @ cdecl div(long long) div
 @ cdecl exit(long) CRTDLL_exit
 @ cdecl exp(double) exp

dlls/crtdll/crtdll_main.c

@@ -615,6 +615,17 @@ time_t __cdecl CRTDLL_time(time_t *timeptr)
 }
 
 /*********************************************************************
+ *                  difftime      (CRTDLL.357)
+ */
+double __cdecl CRTDLL_difftime (time_t time1, time_t time2)
+{
+	double timediff;
+
+	timediff = (double)(time1 - time2);
+	return timediff;
+}
+
+/*********************************************************************
  *                  clock         (CRTDLL.350)
  */
 clock_t __cdecl CRTDLL_clock(void)