우선 소스부터 보여드리겠습니다. #include "stdio.h"#define _countof(_Array) sizeof(_Array) / sizeof(_Array[0]) void main() {printf("hello_c++\n"); int int_size = 2147483647;int int_arr[10];int* int_point = NULL;printf("int_size %d\n", sizeof(int_size));printf("int_arr %d\n", sizeof(int_arr));printf("int_point %d\n", sizeof(int_point)); printf("int_arr %d\n", _countof(int_arr));printf("int_point %d\n", _countof..