int main(int argc, char *argv[])
{
struct void_container vcon;
+ TCON_WRAP(struct container, void *canary) vconw;
tcon_check(&vcon, canary, NULL)->raw.p = NULL;
tcon_check(&vcon, canary, argv[0])->raw.p = NULL;
tcon_check(&vcon, canary, main)->raw.p = NULL;
+
+ tcon_unwrap(tcon_check(&vconw, canary, NULL))->p = NULL;
+ tcon_unwrap(tcon_check(&vconw, canary, argv[0]))->p = NULL;
+ tcon_unwrap(tcon_check(&vconw, canary, main))->p = NULL;
+
return 0;
}