gistfile1.c

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

struct Some {
    int *num;
};

struct Some *
alloc_some(int n) {
    struct Some *some = (struct Some *)malloc(n * sizeof(struct Some));
    some->num = (int *)malloc(sizeof(int));
    return some;
}

int
main(int argc, char* argv[])
{
    struct Some *some = (struct Some *)malloc(sizeof(struct Some));
    printf("%x\n", some);
    printf("%x\n", some->num);

    struct Some *foo = alloc_some(1);
    printf("%x\n", foo);
    printf("%x\n", foo->num);
    return 0;
}

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