/**
 * Writing an array of pointers to structures using fwrite
 * This one works
 * @author gtowell
 * Created: April 2021
 * **/

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

#define SIZ 100
typedef struct
{
    int aa;
    double bb;
} aabb;

int main(int argc, char const *argv[])
{
    aabb **arr = malloc(SIZ * sizeof(aabb *));
    for (int i = 0; i < SIZ; i++) {
        arr[i] = malloc(1 * sizeof(aabb));
        arr[i]->aa = i;
        arr[i]->bb = sqrt(i);
    }
    FILE *fp = fopen("astrfp", "w");
    int d = SIZ;
    fwrite(&d, sizeof(int), 1, fp);
    for (int i = 0; i < SIZ; i++)
        fwrite(arr[i], sizeof(aabb), 1, fp);
    fclose(fp);
    return 0;
}