struct pixel **read_pixel_array(FILE *image, int pixel_array_offset, int width, int height) {
    
    // allocate space for m struct pixel * values
    struct pixel **ptr = (struct pixel**) malloc((sizeof(struct pixel*)) * height);

    for (int i = 0; i < height; i++){
        ptr[i] = malloc(sizeof(int)* width);
        fseek(image, pixel_array_offset, SEEK_SET);
        fread(ptr[i], 3, width, image);
    }

    return  ptr[0];
    }
this function should return the address of the first `struct pixel *` you initialized