November 2016
Beginner to intermediate
816 pages
19h 58m
Japanese
Content preview from Cクイックリファレンス 第2版
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8
1
章 言語の基本
例えば、次の文にはコメントはない。
printf("Comments in C begin with /* or //.\n");
コメント内の文字をプリプロセッサが処理するとき、コメントの終わりかどうかだけを調
べる。したがってブロックコメントは入れ子にできない。しかし、
/*
および
*/
を使って行
コメントを含むプログラムの一部をコメントアウトすることは可能だ。
/* Temporarily removing two lines:
const double pi = 3.1415926536; // pi is constant
area = pi * r * r // Calculate the area
Temporarily removed up to here */
ブロックコメントを含むプログラムの一部をコメントアウトするには、（15章で述べる）
プリプロセッサの条件指令を使う。
#if 0
const double pi = 3.1415926536; /* pi is constant */
area = pi * r * r /* Calculate the area */
#endif
プリプロセッサはコメントを空白1つで置き換える。文字列
min/*max*/Value
は、2つの
トークン
min Value
になる。
1.5
文字集合
Cコンパイラはプログラムのソースファイルを翻訳する環境（翻訳環境）とコンパイルし
たプログラムを実行する環境（実行環境）とを区別する
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.