* Moved lcc and q3asm into code/tools

code/tools/lcc/tst/8q.c

@@ -0,0 +1,39 @@
+int up[15], down[15], rows[8], x[8];
+int queens(), print();
+
+main()
+{
+	int i;
+
+	for (i = 0; i < 15; i++)
+		up[i] = down[i] = 1;
+	for (i = 0; i < 8; i++)
+		rows[i] = 1;
+	queens(0);
+	return 0;
+}
+
+queens(c)
+{
+	int r;
+
+	for (r = 0; r < 8; r++)
+		if (rows[r] && up[r-c+7] && down[r+c]) {
+			rows[r] = up[r-c+7] = down[r+c] = 0;
+			x[c] = r;
+			if (c == 7)
+				print();
+			else
+				queens(c + 1);
+			rows[r] = up[r-c+7] = down[r+c] = 1;
+		}
+}
+
+print()
+{
+	int k;
+
+	for (k = 0; k < 8; k++)
+		printf("%c ", x[k]+'1');
+	printf("\n");
+}