k&r -> ansi + ONE BUG FIX - lengths of il3 and il4 were length(il2):-)

test/ctest.c

@@ -5,7 +5,7 @@
 intlist int1, int2, int3;
 
 
-test_intlist()
+void test_intlist( void )
 {
 	int1 = intlist_nil();
 	int2 = intlist_cons( 11, int1 );
@@ -22,7 +22,7 @@ test_intlist()
 }
 
 
-test_illist()
+void test_illist( void )
 {
 	illist  il1, il2, il3, il4;
 
@@ -34,13 +34,13 @@ test_illist()
 	printf( "illists:\n" );
 	printf( "\n il1: len %d, ", length(il1) ); print_illist( stdout, il1 );
 	printf( "\n il2: len %d, ", length(il2) ); print_illist( stdout, il2 );
-	printf( "\n il3: len %d, ", length(il2) ); print_illist( stdout, il3 );
-	printf( "\n il4: len %d, ", length(il2) ); print_illist( stdout, il4 );
+	printf( "\n il3: len %d, ", length(il3) ); print_illist( stdout, il3 );
+	printf( "\n il4: len %d, ", length(il4) ); print_illist( stdout, il4 );
 	printf( "\n\n" );
 }
 
 
-test_idtree()
+void test_idtree( void )
 {
 	idtree	id1, id2, id3, id4, id5, id6;
 
@@ -62,10 +62,11 @@ test_idtree()
 }
 
 
-main()
+int main( void )
 {
 	init_cx();
 	test_intlist();
 	test_illist();
 	test_idtree();
+	return 0;
 }