C blocks

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

void* make_block (int start)
{
    __block int counter = start;
    int (^closure)() = ^{
        int res = counter;
        counter++;
        return res;
    };
    return Block_copy (closure);
}

int main ()
{
    int(^closure)() = make_block (10);
    int i;

    for (int i=0; i<10; i++)
        printf ("%i\n", closure());

    Block_release (closure);
    return 0;
}