구조체를 클래스로 써보기

# include <stdio.h>
# include <stdlib.h>
# include <string.h>
# include <stdbool.h>
# include <time.h>
# define LENGTH 15
typedef struct _Sort
{
 int numBer[LENGTH];
 void(* ptrBubble)(struct _Sort**); // * Oh .... !!!!!!!!!!!!!!!!!!!!!
}Sort, *ptrSort;

ptrSort create_node();
void __init__(Sort** param);
void do_sorting_by_bubble(Sort** param);
int main(void)
{
 ptrSort MySort = NULL;
 MySort = create_node();
 __init__(&MySort);
 MySort->ptrBubble = do_sorting_by_bubble;
 printf("[1] => %#x \n", (unsigned int)do_sorting_by_bubble);
 printf("[2] => %#x \n", (unsigned int)MySort->ptrBubble);
 MySort->ptrBubble(&MySort);
 return 0;
} // end of main function
ptrSort create_node()
{
 ptrSort p = (ptrSort)malloc(sizeof(Sort));
 return p;
} // end of create_node function
void __init__(Sort** param)
{
 srand((unsigned)time(NULL));
 if ((*param) == NULL)
 {
  fprintf(stderr, "malloc error ... !!!\n");
  exit(1);
 }
 else
 { // (*param) != NULL
  for (int i = 0; i < LENGTH; i++)
  {
   (*param)->numBer[i] = rand() % 1000 + 1;
  }
  (*param)->ptrBubble = NULL;
 }
} // end of __init__ function
void do_sorting_by_bubble(Sort** param)
{
 // printf("test ... \n");
 // [before]
 for (int i = 0; i < LENGTH; i++)
 {
  printf("%d ", (** param).numBer[i]);
 }
 printf("\n"); // 개행

 int i, j, k; // index
 int temp = 0;
 bool flag;
 for (j = 0; j < LENGTH; j++)
 {
  flag = true;
  for (k = 0; k < LENGTH-1; k++)
  {
   if ((** param).numBer[k] >(** param).numBer[k+1])
   {
    temp = (** param).numBer[k];
    (** param).numBer[k] = (** param).numBer[k + 1];
    (** param).numBer[k + 1] = temp;
    flag = false;
   }
  }
  if (flag == true)
  {
   break;
  }
 }
 // [after]
 for (int i = 0; i < LENGTH; i++)
 {
  printf("%d ", (** param).numBer[i]);
 }
 printf("\n"); // 개행
} // end of do_sorting_by_bubble function