copy member from void * array

void *copy_element(const void *src[], int cnt, size_t size)
{
  void *result = 0;
  char *p;
  size_t num = 0;
  for(int i = 0;i < cnt;i++)
  {
    num += size;
    result = realloc(result, num);
    if(!result) break;
    if(!i) p = (char *)result;
    memcpy(p, (const char *)src[i], size);
    p += size;
  }
  return result;
}
int main() 
{
  const void *p[2] = {"abc", "123"};
  void *result = copy_element(p, 2, 3);
  char *q = (char *)result;
  for(int i = 0;i < 6;i++) printf("%c", q[i]);
  free(result);
  cout << endl;

  return 0;
}