gistfile1.txt

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

#define NUMS 10

typedef struct _foo {
    char *t;
    int i;
} foo;

typedef struct _foo_container {
    foo ***foos;
} container;

foo** init_foos(void) {
    foo** f, *f2;
    int i;
    f = malloc(sizeof(foo*)*NUMS);
    for(i=0; i < NUMS; i++) {
        f2 = malloc(sizeof(foo));
        printf("allocated %p ", f2);
        f[i] = f2;
        f[i]->i = i*11+1;
        printf("with value %d\n", i*11+1);
    }
    return f;
}

void dump_container(container *c) {
    int i;
    for(i=0; i < NUMS; i++) {
        //printf("foo[%d]=%d at %p\n", i, (*c->foos[i])->i, *(c->foos[i]));
        printf("foo[%d]=%d at %p\n", i, (*c->foos[i])->i, *c->foos[i]);
    }
}

int main(void) {
    container c;
    foo **foos;

    foos = init_foos();

    c.foos = &foos;
    int i;
    for(i=0; i < NUMS; i++) {
        printf("%d %d at %p\n", i, foos[i]->i, foos[i]);
    }
    printf("------------------\n");
    dump_container(&c);
    /*
    for(i=0; i < NUMS; i++) {
        //printf("%d %d\n", i, (**c.foos[i]).i);
        printf("%d %d at %p\n", i, (*(*c.foos)[i]).i);
        free(foos[i]);
    }
    */
    free(foos);

    return EXIT_SUCCESS;
}

stdout

allocated 0x1674070 with value 1
allocated 0x1674090 with value 12
allocated 0x16740b0 with value 23
allocated 0x16740d0 with value 34
allocated 0x16740f0 with value 45
allocated 0x1674110 with value 56
allocated 0x1674130 with value 67
allocated 0x1674150 with value 78
allocated 0x1674170 with value 89
allocated 0x1674190 with value 100
0 1 at 0x1674070
1 12 at 0x1674090
2 23 at 0x16740b0
3 34 at 0x16740d0
4 45 at 0x16740f0
5 56 at 0x1674110
6 67 at 0x1674130
7 78 at 0x1674150
8 89 at 0x1674170
9 100 at 0x1674190
------------------
foo[0]=1 at 0x1674070
foo[1]=23543952 at 0x1674010
Segmentation fault