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

#define MAX_ARRAY 10

struct mycomplex {
  int re;
  int im;
};

typedef struct mycomplex cplx;

struct other {
  cplx *c;
};

int myf2(int *p);

int myf(int* p)
{
  myf2(p);
  //notexist(p);
}

int myf2(int *p)
{
  int a = 20;
  *p = 10;
  a = *p + 10;
  printf("%d\n", a);
}

int main()
{
  int *arr = (int*)malloc(sizeof(int) * MAX_ARRAY);
  int i1 = 5;
  for (int i = 0; i < MAX_ARRAY; i++)
  {
     arr[i] = i;
     printf("%d ", arr[i]);
  }
  printf("\n");
  free(arr);
  cplx *pc = (cplx*)malloc(sizeof(cplx) * 20);
  // memset(pc, 0, sizeof(cplx) * 20);
  printf("%d \n", pc[0].im);
  struct other *o = (struct other*)malloc(sizeof(struct other) * 20);
  memset(o, 0, sizeof(struct other) * 20);
  pc[0].re = 1;
  pc[0].im = 2;
  o[0].c = (cplx*)malloc(sizeof(cplx));
  printf("%d \n", o[0].c->im);
  free(o[0].c);
  free(o);

  myf(&i1);

  printf("i %lu\n", sizeof(int));
  printf("f %d\n", sizeof(float));
  printf("d %d\n", sizeof(double));
  printf("cplx %d\n", sizeof(cplx));
  printf("void* %d\n", sizeof(void*));

  return 0;
}