int main() {
// we will create three integer arrays of array_len
int array_len = 10;
// create the three arrays using the function
// above, using different multipliers so we can
// tell them apart when we print them
int *a = create_int_array(array_len,10);
int *b = create_int_array(array_len,100);
int *c = create_int_array(array_len,1000);
// create space to store pointers to these
// arrays (pointers to integer pointers)
int** array_pointer = malloc(3*sizeof(int*));
// and store the addresses of the three arrays
// in this array
array_pointer[0] = a;
array_pointer[1] = b;
array_pointer[2] = c;
// we can now print out the elements of this
// "matrix" by iterating indexing into array_pointer
for(int i=0; i<3; i++) {
for(int j=0; j<array_len; j++) {
printf("array_pointer[%d][%d]: %d\n",i,j,
array_pointer[i][j]);
}
}
// to free the memory we first need to free
// array_pointer and then we need to free
// the three individual arrays
free(array_pointer);
free(a);
free(b);
free(c);
return 0;
}
int
main() {
printf("auto-array test program\n");
struct Integer_array my_array;
create_int_array(&my_array, 4);
for (int i=0; i<10; i++) {
append_int(&my_array, 2*i);
}
print_array(&my_array);
return 0;
}
