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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19.5
コンパイラ警告
671
-std=iso9899:1999
,
-std=c99
2001年の正誤票を含めたISO/IEC 9899:1999に準拠。GCCはC99のほぼすべて
の機能をサポートする。詳細はhttp://gcc.gnu.org/c99status.html参照。
-std=iso9899:2011
,
-std=c11
ISO/IEC 9899:2011準拠。C11の必須機能のサポートはほぼ完全（ただしGNU標
準ライブラリGLIBCはthreads.hで定義されるマルチスレッド機能をサポートし
ていない）。詳細はhttps://gcc.gnu.org/wiki/C11Status参照。
-std=gnu89
,
-std=gnu90
この2つは等価で、ISO/IEC 9899:1990とGNU拡張のサポートを意味する。この
方言はGCC 5（GCCバージョン5）の前のGCCのデフォルトだ
った。
-std=gnu99
GNU拡張のあるISO/IEC 9899:1999準拠。
-std=gnu11
GNU拡張のあるISO/IEC 9899: 2011準拠。C11のGNU方言は、GCC 5からデ
フォルトだ。
このオプションのいずれでも、使用システムの標準版で必要なすべての警告をGCCに
出させて、C言語標準が禁止しているすべてのGCC独自拡張を取り除くなら、オプション
-pedantic
を追加する。オプション
-pedantic-errors
は、そのような警告が生じるとコン
パイルを失敗させる。
GCC ...
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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.