C void pointer question [code]

1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <string.h>
4
5 typedef struct x
6 {
7    void **vp;
8    struct x *next;
9 }dev;
10
11 int main()
12 {
13    dev d;
       /* i want to allocate 2X2 array if ints, */
14    d.vp = (void **)malloc(2*sizeof(int *));
15    d.vp[0] = (void *)malloc(2*sizeof(int));
16    d.vp[1] = (void *)malloc(2*sizeof(int));
17   /* are these assignment correct *?
18    *(int*)(*(d.vp+0)+0) = 100;
19    *(int*)(*(d.vp+0)+1) = 34;
20    *(int*)(*(d.vp+1)+0) = 1134;
21    *(int*)(*(d.vp+1)+1) = 2134;
22      /* say if i have a int **i, populated as 2X2 array as above can i do a :  d.vp = &i[0]; to make void ** point to int** */
22      free(d.vp);
23       return 0;
24 }