initial checkin from subversion

incdec.c

@@ -0,0 +1,13 @@
+/* Inkrementieren und Dekrementieren */
+/* incdec.c */
+#include <stdio.h>
+int main (void)
+{
+int i,x;
+i = 6;
+x = i++;
+printf("\n1. x = %d", x);
+x = ++i;
+printf("\n2. x = %d", x);
+return 0;
+}