add LCC - a better C-Compiler for WEGA

WEGA/contrib/lcc/lib/libc/port/gen/clock.c

@@ -0,0 +1,17 @@
+#include <sys/types.h>
+#include <sys/times.h>
+#define	HZ	50
+#define TIMES(B)	(B.tms_utime+B.tms_stime+B.tms_cutime+B.tms_cstime)
+
+extern long times();
+static long first = 0L;
+
+long
+clock()
+{
+	struct tms buffer;
+
+	if (times(&buffer) != -1L && first == 0L)
+		first = TIMES(buffer);
+	return ((TIMES(buffer) - first) * (1000000L/HZ));
+}