KMC Staff Blog:c

c

2010年05鐃緒申28鐃緒申

Portable C Compiler 鐃緒申咼鐃宿わ申鐃銃みわ申

鐃叔駈申任鐃� gcc鐃緒申clang 鐃祝駕申鐃緒申鐃曙気味 (?) 鐃叔わ申鐃緒申鐃緒申老鐃殉わ申 C 鐃緒申鐃緒申僖鐃緒申鐃夙わ申鐃緒申 PCC (Portable C Compiler) 鐃緒申鐃緒申鐃緒申泙鐃緒申鐃�

pcc - pcc portable c compiler

http://ja.wikipedia.org/wiki/Portable_C_Compiler

鐃淑わ申鐃緒申鐃緒申PCC? - 鐃緒申速鐃緒申鐃夙ワ申鐃緒申鐃緒申謄鐃緒申旅發わ申鐃緒申鐃緒申表鐃緒申呂鐃縮ワ申鐃� (2007/10/16)

鐃夙りあ鐃緒申鐃緒申鐃俊ワ申匹鐃緒申討澆泙鐃緒申腓�申鐃�

続鐃緒申鐃緒申鐃宿わ申

鐃緒申鐃緒申鐃緒申: PCC; c; Compiler

kmckk at 09:33鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申鐃夙ワ申奪鐃緒申丱奪鐃�(0)

2009年08鐃緒申21鐃緒申

8 鐃淑随申鐃緒申 8 ? 9 ?

鐃緒申鐃縦もい鐃縦わ申泪鐃緒申福鐃緒申淵優鐃緒申任鐃緒申鐃緒申泙鐃緒申鐃�

鐃竣ワ申鐃緒申鐃緒申潺鵐宛鐃緒申鐃� C 鐃緒申2鐃緒申鐃塾￥申鐃緒申妙鐃淑居申鐃述わ申鐃緒申鐃祝なわ申泙鐃緒申鐃緒申鐃�

鐃緒申鐃緒申録 C 鐃術刻申鐃緒申鐃緒申鐃緒申鐃緒申廚鐃緒申鐃緒申僉鐃�

鐃緒申誰鐃盾が鐃緒申鐃緒申鐃淑つまわ申鐃緒申儿鐃緒申鐃�8 鐃緒申 9 鐃緒申 8 鐃淑随申鐃叔はなわ申鐃緒申(p.328)

鐃緒申鐃殉わ申砲發居申鐃獣と書かわ申討鐃緒申泙鐃緒申鐃緒申鐃緒申鐃縮ｏ申鐃緒申鐃緒申任鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申任鐃� ?

鐃渋わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃叔はなわ申鐃銃￥申UNIX 鐃塾ワ申鐃緒申鐃緒申屮鐃叔は￥申8 鐃緒申 9 鐃熟￥申8 鐃淑随申鐃緒申 10 鐃緒申 11 鐃夙わ申鐃銃逸申鐃緒申鐃銃わ申鐃緒申鐃緒申任鐃緒申諭鐃� 鐃緒申鐃緒申呂筺�

鐃緒申UNIX Assembler Reference Manual, Dennis M. Ritchie鐃緒申
http://www.tom-yam.or.jp/2238/ref/as.pdf

An octal constant consists of a sequence of digits; 鐃銃￥申8鐃叔￥申 and 鐃銃￥申9鐃叔￥申 are taken to have octal value 10 and 11.

UNIX v6 鐃緒申鐃緒申鐃塾ワ申鐃緒申鐃緒申屮鐃塾器申妙鐃淑緒申鐃緒申鐃緒申鐃緒申K&R 鐃緒申鐃緒申1鐃叔まわ申脈鐃緒申鐃緒申続鐃緒申鐃銃わ申鐃緒申鐃緒け鐃叔わ申鐃緒申UNIX 鐃緒申 C 鐃緒申鐃緒申砲蓮鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申里鐃緒申鐃緒申辰鐃緒申鐃渋随申鐃緒申任鐃緒申鐃�

鐃緒申鐃緒申鐃緒申: UNIX; c

kmckk at 09:49鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申鐃夙ワ申奪鐃緒申丱奪鐃�(0)

2009年08鐃緒申07鐃緒申

K&R C 鐃緒申鐃叔わ申鐃緒申泙鐃�

鐃緒申鐃緒申鐃緒申鐃緒申鐃獣になわ申泙鐃緒申鐃緒申鐃�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃薯きっわ申鐃緒申鐃祝￥申puts 鐃祝なわ申鐃緒申鐃峻わ申鐃春わ申鐃塾わ申鐃夙わ申鐃緒申鐃粛ワ申鐃祝つわ申鐃緒申調鐃駿てわ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申文鐃薯教わ申鐃銃わ申蕕わ申泙鐃緒申鐃緒申里脳匆陲靴泙鐃緒申鐃�

"C and the AT&T Unix Port -- A Personal History", Stephen C. Johnson (鐃緒申鐃緒申)
http://roguelife.org/~fujita/COOKIES/HISTORY/USENIX/johnson.html

続鐃緒申鐃緒申鐃宿わ申

鐃緒申鐃緒申鐃緒申: c; UNIX; K&R

kmckk at 10:11鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申鐃夙ワ申奪鐃緒申丱奪鐃�(0)

2009年07鐃緒申28鐃緒申

C鐃緒申鐃緒申任鐃緒申竸鐃緒申亮鐃緒申里粒鐃緒申鐃春わ申鐃緒申譴�申鐃�

鐃緒申鐃緒申鐃緒申鐃夙誌申鐃緒申鐃緒申鐃�鐃緒申鐃獣に器申連鐃緒申鐃銃￥申鐃渋際にわ申鐃塾ワ申鐃緒申鐃宿をコワ申僖鐃緒申襪件申董鐃緒申竸鐃緒申鐃緒申匹鐃緒申鐃緒申鐃緒申鐃銃わ申鐃暑か鐃緒申澆討澆泙鐃緒申腓�申鐃�

v.c

int x;  /* (1) */
int y = 0; /* (2) */
int z = 1; /* (3) */
extern int x; /* (4) */

鐃緒申鐃塾フワ申鐃緒申鐃緒申鬟灰鐃術ワ申鐃暑し鐃銃ワ申鐃緒申鐃緒申屮鐃緒申鐃熟の件申未鮓�討澆泙鐃緒申腓�申鐃�

gcc -S v.c

続鐃緒申鐃緒申鐃宿わ申

鐃緒申鐃緒申鐃緒申: c; gcc; 鐃術随申; 鐃緒申鐃�

t2koba at 10:04鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申鐃夙ワ申奪鐃緒申丱奪鐃�(0)

2009年07鐃緒申27鐃緒申

鐃緒申鐃緒申鐃緒申鐃夙誌申鐃緒申鐃緒申鐃�

C 鐃塾居申鐃淑に関わ申鐃緒申鐃緒申鐃獣とわ申鐃緒申鐃獣でわ申鐃緒申

鐃緒申鐃殉で￥申extern 鐃緒申鐃春わ申鐃銃わ申鐃淑わ申鐃叔常申鐃緒申鐃緒申鐃叔わ申鐃術随申鐃緒申鐃緒申淵鐃緒申鐃緒申鐃緒申丱鐃緒申竸鐃緒申砲蓮鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申砲覆鐃塾わ申鐃夙思ってわ申鐃緒申鐃塾でわ申鐃緒申鐃緒申鐃緒申密鐃祝は異なるそ鐃緒申鐃叔わ申鐃緒申

int x;         /* (1) */

int y = 0;     /* (2) */

extern int x;  /* (3) */

(1) 鐃緒申 (2) 鐃熟￥申単鐃祝緒申鐃緒申佑鐃粛随申鐃緒申鐃緒申討鐃緒申襪�申鐃緒申覆鐃緒申鐃緒申鐃緒申鐃緒申琉磴わ申如鐃緒申匹鐃緒申鐃緒申鐃緒申鐃緒申妨鐃緒申鐃緒申泙鐃緒申鐃�

鐃夙わ申鐃緒申鐃緒申鐃緒申鐃緒申密鐃祝わ申 (2) 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃叔￥申(1) 鐃熟駕申鐃緒申鐃緒申箸鐃緒申鐃緒申鐃緒申鐃緒申砲覆鐃塾わ申鐃緒申鐃緒申鐃叔わ申鐃緒申続鐃緒申鐃緒申鐃宿わ申

鐃緒申鐃緒申鐃緒申: c; 鐃緒申鐃緒申

kmckk at 09:55鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申鐃夙ワ申奪鐃緒申丱奪鐃�(1)

2009年07鐃緒申03鐃緒申

鐃緒申鐃術わ申 C (pre K&R C) 鐃塾わ申鐃緒申

1969 年鐃緒申 Bell Lab 鐃緒申 Kenneth L. Thompson 鐃緒申 Dennis M. Ritchie 鐃緒申鐃竣ワ申鐃夙ワ申鐃緒申鐃竣わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃銃￥申鐃緒申年鐃緒申 UNIX 40 鐃緒申年鐃緒申鐃緒申鐃旬わ申鐃緒申鐃緒申鐃叔わ申鐃緒申UNIX 鐃緒申 1/4 鐃緒申鐃緒申鐃夙わ申鐃緒申鐃旬わ申鐃緒申鐃緒申泙鐃緒申鐃緒申鐃緒申鐃緒申鐃�10 年鐃緒申鐃緒申鐃緒申 UNIX 鐃緒申半鐃緒申鐃緒申鐃叔わ申鐃粛￥申

鐃緒申鐃緒申辰鐃緒申里鐃緒申辰鬚靴鐃緒申鐃緒申隼廚鐃緒申泙鐃緒申鐃�35 年鐃潤く鐃緒申鐃緒申 C 鐃緒申鐃獣でわ申鐃緒申鐃淑わ申鐃緒申鐃緒申鐃緒申鐃� 20 鐃緒申覆里如鐃緒申泙鐃緒申鐃緒申泙鐃銃まわ申鐃藷。￥申1975 年鐃緒申UNIX v6 鐃緒申鐃緒申蝓種申鐃緒申鐃緒申鐃殉わ申鐃緒申 (鐃緒申鐃� BSD UNIX 鐃祝つなわ申鐃緒申鐃叔でわ申)鐃緒申鐃緒申鐃緒申鐃叔わ申 pre K&R C 鐃夙わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃� C (C99) 鐃緒申鐃初見鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申僂鐃� C 鐃叔種申鐃緒申鐃緒申鐃緒申討鐃緒申泙鐃緒申鐃�

Dennis M. Ritchie, "C Reference Manual" (1975)
http://www.cs.bell-labs.com/who/dmr/cman.pdf

鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申泙鐃緒申里茲�申忙箸鐃緒申討鐃緒申襦�void/unsigned/const/enum/union/volatile 鐃緒申鐃緒申鐃緒申鐃緒申悗鐃塾ワ申鐃緒申鐃緒ー鐃宿わ申鐃緒申鐃渋わ申存鐃淳わ申鐃殉わ申鐃藷。￥申鐃緒申鐃緒申鐃� entry 鐃夙わ申鐃緒申鐃緒申離鐃緒申鐃緒申錙種申匹鐃緒申鐃緒申辰鐃緒申蠅件申泙鐃緒申鐃緒申鐃�

鐃淑わ申函鐃緒申鐃緒申離鐃緒申礇刻申箸箸鐃緒申鐃緒申鐃叔逸申鐃渋醐申澆鐃緒申泙鐃緒申鵝�鐃緒申鐃淑わ申任泙箸鐃淑プワ申鐃緒申鐃緒申爐�申鐃緒申鐃塾わ申鐃緒申 ? 鐃夙思わ申鐃緒申鐃盾し鐃緒申泙鐃緒申鵑�鐃�Lions' Commentary on UNIX 鐃緒申鐃宿わ申任鐃緒申鐃夙￥申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃薯い居申鐃緒申鐃緒申鐃緒申鐃瞬醐申鐃緒申泙鐃緒申鐃�

鐃緒申鐃粛ワ申鐃緒申鐃緒申 : 2238鐃緒申鐃緒申鐃�

鐃緒申鐃純ス鐃夙わ申 unsigned 鐃緒申存鐃淳わ申鐃淑わ申鐃塾で￥申鐃緒申鐃緒申佞鐃緒申鐃緒申鐃緒申鐃� unsigned 鐃叔逸申鐃緒申鐃緒申鐃緒申鐃緒申鐃熟￥申鐃楯ワ申鐃緒申鐃術随申鐃緒申鐃緒申鐃緒申鐃緒申鐃銃わ申鐃緒申彁鐃緒申鐃緒申討鐃緒申鐃緒申茲�申任鐃緒申鐃緒申櫂鐃緒申鵐燭鐃� unsigned 鐃叔わ申鐃緒申鐃初、鐃緒申鐃緒申鐃緒申屮鐃重�申粉鐃緒申个鐃緒申蕕刻申鐃出￥申unsigned 鐃夙わ申鐃緒申鐃緒申鐃緒申鐃緒ー鐃宿わ申無鐃緒申鐃銃も困鐃緒申泙鐃緒申鐃緒申 :-)
rdwri.c

6323: /* Return the logical maximum
6324:  * of the 2 arguments.
6325:  */
6326: max(a, b)
6327: char *a, *b;
6328: {
6329: 
6330:         if(a > b)
6331:                 return(a);
6332:         return(b);
6333: }

volatile 鐃熟まわ申鐃緒申鐃緒申鐃塾誌申鐃緒申鐃� C 鐃緒申 PDP-11 鐃殉ワ申鐃緒申鐃緒申鐃緒申鐃緒申屮鐃淳わ申鐃緒申鐃淑わ申里覆里如鐃緒申鐃夙わ申箸曚箸鐃宿削申適鐃緒申鐃熟行わ申鐃銃わ申鐃淑わ申鐃獣わ申鐃塾わ申鐃緒申鐃緒申鐃縮居申鐃緒申辰鐃緒申里任呂覆鐃緒申任鐃緒申腓�申鐃緒申鐃緒申鐃緒申 register 鐃塾よう鐃淑ワ申鐃緒申鐃緒ー鐃宿わ申箸鐃緒申鐃緒申鐃重�申鐃緒申鐃舜種申鐃緒申鐃銃わ申鐃緒申鐃緒申鐃緒申任鐃緒申鐃緒申鐃緒申鐃緒申味鐃緒申C 鐃緒申鐃緒申鐃熟わ申鐃縦э申鐃緒申鐃処う鐃淑ワ申鐃緒申鐃緒ー鐃宿わ申鐃夙思わ申鐃殉わ申鐃緒申

鐃緒申鐃緒申離鐃緒申螢�申疋譽刻申鐃緒申鐃緒申鐃夙わ申鐃緒申 define 鐃緒申鐃緒申討鐃緒申鐃緒申隋�申匹里茲�申砲鐃緒申道鐃緒申箸鐃緒申鐃緒申鐃宿わ申鐃塾でわ申鐃順う鐃緒申 ? 鐃緒申鐃緒申鐃緒申 C 鐃淑わ申弌鐃�*(int *)SW 鐃塾よう鐃祝￥申鐃楯ワ申鐃藷タへの件申鐃緒申鐃純ス鐃夙わ申箸鐃緒申鐃緒申匹鐃緒申錣縁申任鐃緒申鐃緒申鐃緒申鐃緒申礇刻申箸鐃渋醐申澆鐃緒申泙鐃緒申鐃�

param.h 鐃薯見てみまわ申鐃夙￥申

0166: #define SW      0177570
0167: 
0168: /* ---------------------------       */
0169: 
0170: /* structure to access : */
0171: 
0172: 
0173:    /* an integer */
0174: 
0175: struct {   int   integ;   };

鐃緒申鐃塾逸申味鐃緒申鐃緒申鐃薯すわ申砲蓮鐃�pre K&R C 鐃緒申 struct 鐃緒申鐃緒申鐃塾ワ申鐃出￥申鐃緒申名鐃緒申鐃緒申鐃瞬わ申単鐃緒申任鐃緒申鐃夙わ申鐃緒申鐃緒申鐃粛わ申鐃塾ってわ申鐃緒申必鐃竣わ申鐃緒申鐃緒申泙鐃緒申鐃獣縁申鐃緒申鐃銃�申鐃緒申疋譽刻申鐃緒申鐃塾ワ申鐃春ワ申鐃獣トと￥申鐃緒申鐃出￥申鐃塾件申鐃緒申鐃緒申鐃緒申鐃緒申味鐃緒申鐃緒申鐃緒申泙鐃緒申鐃緒申鐃緒申鐃緒申董鐃緒申鐃緒申鐃重�申淵鐃緒申礇刻申塙鐃淑醐申呂鐃緒申鐃殉わ申鐃藷が￥申鐃緒申鐃緒申鐃緒申屮鐃重�申憤鐃縮ｏ申任琉鐃緒申曚侶鐃緒申鐃緒申礇刻申箸鐃緒申圓鐃緒申泙鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申藥誌申鐃� -> 鐃塾削申側鐃祝わ申鐃暑ス鐃緒申鐃緒申鐃粛は￥申鐃緒申鐃緒申無鐃術で刻申造鐃塾へのポワ申鐃藷タ逸申鐃緒申鐃緒申鐃緒申泙鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃淑醐申鐃緒申鐃緒申鐃緒申鐃准件申鐃緒申鐃緒申鐃獣ワ申鐃熟行わ申鐃殉わ申鐃藷。とわ申鐃緒申鐃緒け鐃叔￥申鐃緒申鐃緒申離鐃緒申螢�申疋譽刻申鐃緒申蕁�申鐃緒申鐃緒申鐃緒申箸鐃緒申鐃緒申佑鮖仮箸鐃緒申鐃緒申鐃緒申鐃緒申蓮鐃�SW->integ 鐃塾よう鐃祝わ申鐃銃誌申鐃夙でわ申鐃緒申錣縁申任鐃緒申鐃�

鐃緒申鐃緒申鐃緒申鐃叔わ申鐃順う鐃緒申 ? 鐃緒申鐃楯で種申鐃緒申鐃緒申鐃緒申鐃純い鐃緒申鐃緒申鐃緒申隼廚鐃曙た鐃緒申鐃盾い鐃暑か鐃盾し鐃緒申泙鐃緒申鵑掘鐃緒申僖鐃緒申鐃重�申鐃緒申鐃緒申鬚い隼廚鐃曙た鐃緒申鐃盾い鐃暑か鐃盾し鐃緒申泙鐃緒申鐃�

鐃緒申砲蓮鐃�pre K&R 鐃熟￥申鐃緒申鐃緒申鐃塾ミニマリズ鐃緒申的鐃緒申鐃緒申鐃緒申鐃夙種申鐃緒申鐃緒申鐃緒申鐃緒申鐃竣のバワ申鵐垢鐃緒申鐃緒申鐃獣てわ申鐃緒申鐃緒申鐃塾よう鐃祝思わ申鐃殉わ申鐃緒申単鐃祝学緒申的鐃淑逸申味鐃叔のワ申鐃殉￥申鐃夙な醐申鐃緒申鐃渋常申砲發随申鐃緒申鐃緒申鵑△鐃殉わ申鐃緒申鐃緒申鐃淑わ申 UNIX v6 鐃緒申颪い鐃緒申鐃緒申鐃淑わけ鐃叔わ申鐃緒申鐃初、鐃緒申呂鐃緒申鐃緒申鐃緒申呂鐃緒申磴わ申泙鐃緒申鐃�

鐃緒申鐃緒申鐃緒申: c; UNIX; K&R

kmckk at 09:54鐃緒申鐃緒申鐃緒申鐃緒申(0)鐃緒申鐃夙ワ申奪鐃緒申丱奪鐃�(0)

KMC 鐃緒申鐃峻マワ申鐃緒申鐃緒申鐃緒申鐃緒申團紂種申鐃緒申鐃緒申鐃緒申鐃緒申

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