Reorganize tests

examples/c/bar.c

@@ -0,0 +1,10 @@
+int bar(int x, int y, int z){
+    int arith_mean = (x + y + z) / 3;
+    int ugly_mean = (((x + y) / 2) * 2 + z) / 3;
+    if (x == y) { return y; }
+    else { return z; }
+}
+
+int main() {
+    return 1;
+}