#include <stdio.h>

__code
code2(__code (*exit0)(int,void*), void *env)
{
    printf("aho\n");
    goto exit0(0,env);
}

__code
code1(__code exit0(int,void*), void *env)
{
    printf("hello\n");
    goto code2(exit0, env);
}

int
aho()
{
    goto code1(__return,__environment);    
    return 0;
}

int
main()
{
    aho();
    printf("finish\n");
    return 0;
}