storage class 1: file, The C Puzzle book

職業訓練
https://qiita.com/kaizen_nagoya/items/95368b63fa21d64271ec

Programmer, Day 6
https://qiita.com/kaizen_nagoya/items/632d8f191268e88eb86a

C Puzzle Bookの有り難み5つ、C言語規格及びCコンパイラの特性を認識, error(21), coding(28)
https://qiita.com/kaizen_nagoya/items/d89a48c1536a02ecdec9

The C Puzzle Book
https://efrei.poupa.net/Programmation%20en%20C/Cours/The_C_Puzzle_Book.pdf

defs.h "The C Puzzle Book"
https://qiita.com/kaizen_nagoya/items/6d284651ac1244963bd9

sc1.c

#include "defs.h"

int i = 0;

int main()
{
        auto int i = 1;
        PRINT1(d, i);         // (1)
        {
                int i = 2;
                PRINT1(d, i);     // (2)
                {
                        i += 1;
                        PRINT1(d, i); // (3)
                }
                PRINT1(d, i);     // (4)
        }
        PRINT1(d, i);         // (5)
}

/*
nagai@compB05:~/Conpairu$ ./a.out
i = 1
i = 2
i = 3
i = 3
i = 1
*/

bash

$ gcc sc1.c
$ ./a.out
i = 1
i = 2
i = 3
i = 3
i = 1