blockptr.c

#include <stdio.h>
#include <stdlib.h>
#include <Block.h>

typedef void (^vblock)(void);

vblock
f(void)
{
	__block int x = 42;
	__block int *y = &x;

	return Block_copy(^ {
		printf("%s\n", (y == &x ? "yeah!" : "arg!"));
	});
}

int
main(int argc, char **argv)
{
	vblock b = f();
	b();
	Block_release(b);
}