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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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.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.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.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.
20.9
関数
701
m
a
k
e
C
変数にカプセル化するので、マクロという言葉は適切である（GNU makeマニュアルはこ
れらを「缶詰コマンドシーケンス」と呼ぶ）。
複数行を含む変数を定義するには、
define
指令を使わねばならない。その構文は次とな
る。
define
macro_name
macro_value
endef
構文の改行は重要だ。
define
と
endef
両方とも行頭に置く必要があり、マクロ名以外が
define
の後に続いてはいけない。しかし、
macro_value
にはいくつ改行文字があっても構わ
ない。これらは、
define
と
endef
行の間のすべての他の文字とともに定義している変数の
値の中に文字通りに含まれる。次に簡単な例を示す。
define installtarget
@echo Installing $@ in $(USRBINDIR) ... ;\
$(MKDIR) -m 7700
$(USRBINDIR) ;\
$(CP) $@ $(USRBINDIR)/ ;\
@echo ... done.
endef
マクロ
installtarget
に含まれる変数参照はここに示される文字通りに格納され、make
が例えば次のルールの中にある
$(installtarget)
を展開する。
circle: $(OBJ) $(LIB)
$(CC) $(LDFLAGS) -o $@ $^
ifdef INSTALLTOO
$(installtarget)
endif
20.9
関数
GNU makeは単純なマ ...
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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.