sed "$n"'a\
#include "emptime.h"\
#undef time\
-#define time(timer) emp_time((timer), __FUNCTION__)' $f >$f.patched
+#define time(timer) emp_time((timer), __FUNCTION__)\
+#undef gettimeofday\
+#define gettimeofday(tv, tz) emp_gettimeofday((tv), (tz))' $f >$f.patched
mv $f.patched $f
fi
done