̾??

style — ?????ͥ륽?????ե??????Υ??????륬????

????

???Υե??????? FreeBSD ???????ĥ꡼?Υ????ͥ륽?????˹??ޤ????????????????????Ƥ??ޤ??? ?????ϥ桼???????ɤΥ????ɥ????????μ??????Ǥ⤢???ޤ??? ???ˤ????ơ????????뵬§??¿????????Ū?˻??Ѥ??Ƥ??ޤ??? style ?????????λ????ˤĤ??Ƹ??ڤ??Ƥ??ʤ??ȷ????դ??????ˡ? ???դ?????????ǧ???Ƥ????????? style ?Ϥ??Τ褦?ʻ????ˤĤ??Ƥϵ??Ҥ??Ƥ??ޤ?????

/*
 * FreeBSD ?Τ????Υ??????륬???ɤǤ???
 * CSRG ?? KNF (Kernel Normal Form, ?????ͥ?ɸ??????) ?˴??Ť??Ƥ??ޤ???
 *
 *	@(#)style	1.14 (Berkeley) 4/28/95
 * $FreeBSD: src/share/man/man9/style.9,v 1.110.2.1 2005/03/01 12:44:49 brueffer Exp $
 */

/*
 * ?ȤƤ????פ? 1 ?ԤΥ??????ȤϤ??Τ褦?ˤ??ޤ???
 */

/* ?ؤɤ? 1 ?ԤΥ??????ȤϤ??Τ褦?ˤ??ޤ??? */

/*
 * ʣ???Ԥˤ錄?륳?????ȤϤ??Τ褦?ˤ??ޤ????ºݤ?ʸ?Ϥ??񤭤ޤ????ºݤ?
 * ?????˸??????褦???????Ƥ????ޤ???
 */

????Υإå???ʣ???Ԥˤ錄?륳?????ȤǤ????٤??ǡ? ???????Ȥκǽ??ιԤϼ??Τ褦???? (???????ꥹ??) ?θ????˥??å??? (-) ?? ?դ??ޤ?:

/*-
 * Copyright (c) 1984-2025 John Q. Public.  All Rights Reserved.
 *
 * Ĺ???ơ??????ʥ饤???󥹤Ϥ????˵??Ҥ??ޤ??????ʷ??ˤ??뤿????
 * ?Խ????Ƥ??ޤ?
 */

??ư???????ץȤϺǽ??Υ????ब “/*-” ?ǻϤޤ뤹?٤ƤΥ??????Ȥ??оȤȤ??ƥĥ꡼?????饤???󥹾????򽸤??ޤ??? ???ѼԤ??饤???󥹤ޤ??????ɽ???Ǥ??ʤ??ǽ??Υ??????ǻϤޤ륳?????Ȥ? ?ǽ??Υ????फ???Ϥޤ륳?????Ȥǥ饤???󥹤????ɽ???Ǥʤ????Τ? indent(1) ?˺??????????????ʤ??????ϡ? ???????Υ??????ȤΥ??å??????????Ѥ??Ƥ????????? ?ǽ??Υ??????Ȱʳ??Υ??????ǻϤޤ륳?????Ȥ? ?褷?ƥ饤???????????ȤϤߤʤ??ޤ????? ????: ??Ƭ?ˤʤ????Τϥ饤??????ɽ???Ȥߤʤ??ޤ?????

????إå??θ??ˤ϶??Ԥ? 1 ?????졢???????ե??????ˤ? rcsid ???դ??ޤ??? ?С????????????????ƥ??? ID ?????ϡ??ե????????? 1 ?ĤΤߤ????٤??Ǥ? (???Υե??????Ǥϰ㤤?ޤ???)?? C/C++ ???????ե??????ʳ??Ϥ??????˽????ޤ????? C/C++ ???????ե??????ϰʹߤ????˽????ޤ??? ???????????ꤷ???ե??????? ???٤Ƥ? VCS (?С????????????????ƥ?) ???ӥ????????̻Ҥϡ? ¸?ߤ????аݻ????ޤ??? ?????ˤϡ??ե????????????򼨤?ʣ???? ID ???ޤߤޤ??? ????Ū?ˡ??????? ID ?ޤ??Ϥ??β?????¤???Խ????ޤ????? ?????ʤ????? (“#if defined(LIBC_SCCS)” ?Τ褦??) ?Ϥޤ??Ƥ??ʤ??????ˤϡ????Ƥθߴ????Τʤ????Ҥ򱣤????ᡢ?????? ???? ID ?򥪥֥??????ȥե????뤫???ɤ??Ф??Ƥ????????ˡ?ξ???? “#if 0 ... #endif” ?????˰Ϥߤޤ??? ?ե???????̾?????ѹ????줿?????ˤϡ??????? VCS ID ?????? “From: ” ?Τߤ??ɲä??ޤ???

#if 0
#ifndef lint
static char sccsid[] = "@(#)style      1.14 (Berkeley) 4/28/95";
#endif /* not lint */
#endif

#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/share/man/man9/style.9,v 1.110.2.1 2005/03/01 12:44:49 brueffer Exp $");

?إå??ե??????????ˡ????Ԥ? 1 ???դ??ޤ???

?????ͥ??Υ??󥯥롼?ɥե????? (???ʤ????? sys/*.h) ???????????ޤ??? ?̾ <sys/types.h> ?ޤ??? <sys/param.h> ?Τɤ??餫??ɬ?פǤ????? ξ????ɬ?פʤ??Ǥ??礦?? <sys/types.h> ?? <sys/cdefs.h> ?򥤥󥯥롼?ɤ??Ƥ??ꡢ ??¸?ط??????ꤢ???ޤ?????

#include <sys/types.h>		/* ?????̤ˤ????????????륤?󥯥롼?? */

?ͥåȥ???ץ????????Ǥ????????ϡ? ???˥ͥåȥ?????󥯥롼?ɥե????????֤??ޤ???

#include <net/if.h>
#include <net/if_dl.h>
#include <net/route.h>
#include <netinet/in.h>
#include <protocols/rwhod.h>

?????ͥ??ѤΥե??????ˤϡ? /usr/include ???Υե??????????Ѥ??ʤ??Ǥ?????????

???줫?????Ԥ??֤??? /usr/include ?Υե???????³???ޤ??? /usr/include ?Υե??????ϥ????ե??٥åȽ??˥????Ȥ????Ƥ????٤??Ǥ???

#include <stdio.h>

???????Х??ʥѥ?̾?? <paths.h> ???????????Ƥ??ޤ??? ?ץ????????˥????????ʥѥ?̾?ϥ????????ǥ??쥯?ȥ??? "pathnames.h" ???????ޤ???

#include <paths.h>

???줫?顢???Ԥ????äơ??桼?????󥯥롼?ɥե????뤬???ޤ???

#include "pathnames.h"		/* " " ?ˤ??????????륤?󥯥롼?? */

???ץꥱ???????󥤥󥿥ե??????????????Ƥ??????????????? ??????̾?????֤? #define ??????̾?????????????ꤷ?ƤϤ????ޤ?????

“?????Ǥʤ?” ?ޥ??? (?????Ѥ????äƤ???????) ??̾???ȡ? ???餫???????Υޥ?????̾???Ϥ??٤???ʸ???Ǥ??? ???Τ褦??Ÿ?????????ޥ????ϡ?ñ???Υȡ??????ˤ??뤫??¦?˳??̤??Ĥ??ޤ??? #define ?ȥޥ???̾?δ֤˥???ʸ???? 1 ???????ޤ??? ?ޥ??????????ؿ??Υ????饤??Ÿ???Ǥ????????ϡ? ?ؿ?̾?????ƾ?ʸ???ǡ??ޥ????Ϥ??٤???ʸ????Ʊ??̾?????????ޤ??? ?Хå??????å????ϱ?·?????ޤ??? ???????????ɤߤ䤹???ʤ??ޤ??? ?ޥ?????ʣ??ʸ?򥫥ץ??벽?????????ˤϡ??????? do ?롼?פǰϤߤޤ??? ?????ˤ??ꡢ if ʸ?ǰ????˻??ѤǤ??ޤ??? ?Ǹ???ʸ?ν?ü?Υ??ߥ??????ϡ? ?ޥ????ǤϤʤ??ޥ????μ»ܻ????դ????????٤??Ǥ??? ?????ˤ??ꡢ???????䥨?ǥ?????ʸˡ???Ϥ??䤹???ʤ??ޤ???

#define	MACRO(x, y) do {						\
	variable = (x) + (y);						\
	(y) += 2;							\
} while (0)

?????ɤ? #ifdef ?ޤ??? #if ?????Ѥ??ƾ????դ??ǥ????ѥ??뤵?????Ȥ??ˤϡ? ?ɤ??Ǿ????դ??ǥ????ѥ??뤵???륳???ɤ???λ?????Τ??? ?ɤ??ͤ??ưפ˼??̤??뤳?Ȥ???ǽ?ˤ??뤿???ˡ???????³??Ŭ?礹?? #endif ?ޤ??? #else ?˥??????Ȥ??ɲä??Ƥ⹽???ޤ????? ???Υ??????Ȥ? (????Ū??) Ĺ????ʬ??20 ?԰ʾ?????ʬ???ޤ??ϥͥ??Ȥ??줿 #ifdef ??Ϣ³???ɤ??ͤ????𤵤??뤫?⤷???ʤ??Ȥ????ˤΤ߻??Ѥ??????٤??Ǥ??? ???Ȥ??????ѥ??뤵???ʤ??ΰ褬???????ʤ뤫?⤷???ʤ??Ǥ⡢ lint(1) ????Ū?Τ????˾????դ??ǥ????ѥ??뤵???ʤ??Ľ??Τ????ˡ? ?㳰?????????Ƥ⹽???ޤ????? ???Υ??????Ȥ? #endif ?ޤ??? #else ???? 1 ?Ĥζ????ˤ??ä?ʬΥ???????٤??Ǥ??? û???????դ??ǥ????ѥ??뤵??????ʬ?Τ????ˡ? ???????Υ??????Ȥ????Ѥ????٤??ǤϤ????ޤ?????

#endif ?Τ????Υ??????Ȥ??б????? #if ?ޤ??? #ifdef ?ǻ??Ѥ????Ƥ???ɽ???˹??碌???٤??Ǥ??? #else ?????? #elif ?Τ????Υ??????Ȥ????Ԥ??? #if ??????/?ޤ??? #elif ʸ?˻??Ѥ????Ƥ???ɽ????ȿ?Ф˹??碌???٤??Ǥ??? ???????Ȥ????Ǥϡ?????ɽ?? “defined(FOO)” ?? “FOO” ?Ⱦ?ά?????ޤ??? ???????Ȥ???Ū?Τ????ˤϡ? “#ifndef FOO” ?? “#if !defined(FOO)” ?Ȥߤʤ????ޤ???

#ifdef KTRACE
#include <sys/ktrace.h>
#endif

#ifdef COMPAT_43
/* ?礭????ʬ?????ޤ???¾?ξ????դ??Υ????ɤ??????? */
#else /* !COMPAT_43 */
/* ?ޤ??Ϥ????? */
#endif /* COMPAT_43 */

#ifndef COMPAT_43
/* ?????̤??礭????ʬ?????ޤ???¾?ξ????դ??Υ????ɤ??????? */
#else /* COMPAT_43 */
/* ?ޤ??Ϥ????? */
#endif /* !COMPAT_43 */

???Υץ????????Ȥϡ? u_intXX_t ?????θŤ? BSD ?????????????????̻Ҥ??????ष???? uintXX_t ?????? ISO/IEC 9899:1999 (“ISO C99”) ???????ʤ????????̻Ҥ????Ѥ????褦?ˡ??????˰ܹԤ??Ƥ??ޤ??? ???????????ɤϸ??Ԥ????Ѥ????٤??ǡ??????ˤ????ΰ???¾?μ??פʺ??Ȥ???λ???? ?Ť? BSD ?????????򹥤ि????ͥ?褹????ͳ???ʤ??????ˤϡ??Ť??????ɤ? ?????????????Ѵ????????٤??Ǥ??? ????ʸ???Υ??ߥåȤ?Ʊ?ͤˡ? uintXX_t ?ΤߤΥ??ߥåȤ򤹤??褦????θ???٤??Ǥ???

?????ͤ???????ʸ???????Ѥ??ޤ???

enum enumtype { ONE, TWO } et;

?????????Ǥϡ????˴ط??դ????줿?ȡ????????????ơ? ???????ꥹ???????ܤ????ȡ??????δ֤ˤ϶???ʸ?????֤??ޤ????? (???????μ??̻Ҥϴ??ܤη???̾???????ν??????硢?????Ӻ??????????褦?Ȥ??Ƥ??? ???ΰʳ??? typedef ̾?Ǥ???) ???????μ??̻Ҥϥ??????ꥹ?????? 1 ?Ĥζ?????ʬΥ???ޤ???

??¤?Τ??????ѿ??????????????ˤϡ? ???ѽ硢???????? (?礭?????Τ??龮???ʤ??Τ?)?? ?????ե??٥åȽ??˥????Ȥ??????????ޤ??? ?ǽ??ζ?ʬ???̾?Ŭ?Ѥ??ޤ??󤬡??㳰???????ޤ??? ???????ϡ????줾????Ω?????ԤˤƹԤ??ޤ??? ??¤?Τ?̾???ΰ??֤򡢤??ʤ???Ƚ?Ǥ??ɤ߰פ??褦?ˡ? ???? 1 ?Ĥޤ??? 2 ?Ĥ????Ѥ???·???Ƥ????????? ???ʤ??Ȥ? 90% ?Υ????Ф?̾????·?????Τ˽?ʬ?ʾ????ˤϡ? 1 ?Ĥ????Υ??֤????Ѥ????٤??Ǥ??? ??????Ĺ?????θ???̾???ϡ?ñ???ζ????Ƕ??ڤ??????٤??Ǥ???

???פʹ?¤?Τϡ????줬???Ѥ??????ե?????????Ƭ???????????뤫?? ʣ???Υ??????ե??????ǻ??Ѥ????????????̤Υإå??ե??????????????????٤??Ǥ??? ??¤?Τ??إå??ե????????????????Ƥ????????ˤϡ? ?????鹽¤?Τλ??Ѥϡ??????Ȥ?ʬ?????????٤??ǡ????? extern ?Ǥ????٤??Ǥ???

struct foo {
	struct foo	*next;		/* ???????? foo ?Υꥹ?? */
	struct mumble	amumble;	/* mumble ?Υ??????? */
	int		bar;		/* ???????Ȥ?·???ޤ? */
	struct verylongtypename *baz;	/* ???? 2 ?Ĥˤϼ??ޤ??ޤ??? */
};
struct foo *foohead;			/* ???????Х??? foo ?ꥹ?Ȥ???Ƭ */

??ǽ?ʻ??ˤ?ɬ???????ʤ????Ȥǥꥹ?Ȥ???????ΤǤϤʤ??? queue(3) ?ޥ????????Ѥ??Ƥ????????? ???äơ??????????????ɤ??񤯤ȼ??Τ褦?ˤʤ??ޤ???

#include <sys/queue.h>

struct foo {
	LIST_ENTRY(foo)	link;		/* foo ?ꥹ?Ȥ˥??塼?ޥ????????? */
	struct mumble	amumble;	/* mumble ?Υ??????? */
	int		bar;		/* ???????Ȥ?·???ޤ? */
	struct verylongtypename *baz;	/* ???? 2 ?Ĥˤϼ??ޤ??ޤ??? */
};
LIST_HEAD(, foo) foohead;		/* ???????Х??? foo ?ꥹ?Ȥ???Ƭ */

??¤?Τη??? typedef ?????Ѥ????????򤱤Ƥ????????? typedef ?ϡ????β??̤ˤ??뷿??Ŭ?ڤ˱????ʤ??Τǡ??????Ȥʤ????ޤ??? ?㤨?С?typedef ????¤?Τ??Τ??ΤǤ????Τ?????¤?ΤؤΥݥ??󥿤Ǥ????Τ??? ???ʤ????Τ?ɬ?פ??????ޤ??? ???ˡ?typedef ?????Τ? 1 ?٤??????????ʤ????Фʤ??ޤ??󤬡? ?Դ????ʹ?¤?η???ɬ?פʲ?????????????ǽ?Ǥ??? typedef ?ϥ??????ɥ??????ʥإå??ե????????ǻ??Ѥ??뤳?Ȥ??????Ǥ??? typedef ???????????إå??ϡ????? typedef ?????Ѥ????إå??????? ???󥯥롼?ɤ??뤫?????? typedef ?????Ѥ????إå??ˤ??äƥ??󥯥롼?? ????ɬ?פ??????ޤ? (??????̾?????֤α????Ȥʤ??ޤ?)?? ?????ʤ????С?typedef ?????뤿????΢????ɬ?פȤʤäƤ??ޤ??ޤ???

?????? typedef ???׵᤹???????ˤϡ?????̾??????¤?Υ????˰??פ????ޤ??? ɸ?? C ?ޤ??? POSIX ?ˤ??ä????????줿???Τ??????Ƥϡ? “_t” ?ǽ??? typedef ???򤱤Ƥ?????????

/* ??¤??̾?? typedef ?????פ????ޤ? */
typedef		struct bar {
	int	level;
} BAR;
typedef	int		foo;		/* ?????? foo ?Ǥ? */
typedef	const long	baz;		/* ?????? baz ?Ǥ? */

???Ƥδؿ??Ϥɤ????ǥץ??ȥ????פ????ޤ???

??Ū?ʴؿ? (???ʤ?????¾?Τɤ??Ǥ????Ѥ????ʤ??ؿ??ʤ?) ?δؿ??ץ??ȥ????פϡ? ?ǽ??Υ??????⥸?塼??????Ƭ???֤????ޤ??? ñ???Υ??????⥸?塼???˥????????ʴؿ??ϡ? static ?????????????٤??Ǥ???

?????ͥ????̤???ʬ???????Ѥ??????ؿ??ϡ? ??Ϣ?Τ??륤?󥯥롼?ɥե??????????ǥץ??ȥ????פ????ޤ??? ?ؿ??ץ??ȥ????פϡ??ۤʤ??????λ??Ѥ???????????ͳ???ʤ??????ˤϡ? ?ʤ??٤??????ե??٥åȽ???????Ū?ʽ????????󤵤????٤??Ǥ???

ʣ???Υ⥸?塼???ǥ????????˻??Ѥ??????ؿ??ϡ? "extern.h" ????ʬΥ?????إå??ե????????????֤????ޤ???

__P ?ޥ????ϻ??Ѥ??ޤ?????

?ե??????? 50% ???????ʾ??򴬤????????????ξ????ϡ? ???̤˥????ɤ? “????????????” ?Ȥߤʤ????Ȥ??Ǥ??ޤ??? ?????ϴ?¸?Υ????ɤδ??????ˤꡢ ???ߤ? style ?????ɥ饤???????Ѥ????Τ˽?ʬ?Ǥ???

?????ͥ??ϥѥ??᡼???η??˴?Ϣ?դ????줿̾?????????ޤ??? ?㤨?С??????ͥ????Ǽ??Τ褦?˻??Ѥ??ޤ?:

void	function(int fd);

?桼???????ɤΥ??ץꥱ???????????Ф??Ƹ??????إå??ե??????????Ǥϡ? ?Ļ??Υץ??ȥ????פϡ? ????ȼ?ä? “?ݸ?줿” (?????????????ǳ??Ϥ???) ̾???????Ѥ??뤫?? ????????̾???????Ѥ??ʤ????Τɤ??餫??ɬ?פǤ??? ?ݸ?줿̾???λ??Ѥ?????˾?ޤ????Ǥ??? ?㤨?С????Τ褦?˻??Ѥ??ޤ?:

void	function(int);

?ޤ???

void	function(int _fd);

?ץ??ȥ????פϴؿ?̾?ι?·?????Ԥʤ??????ˡ????Τ褦?? ???֤θ????ɲäΥ??ڡ???ʸ?????֤??Ƥ⹽???ޤ???:

static char	*function(int _arg, const char *_arg2, struct foo *_arg3,
		    struct bar *_arg4);
static void	 usage(void);

/*
 * ???Ƥμ??פʥ롼?????Ϥ??줬???򤹤??Τ????ʷ??˵??Ҥ???
 * ???????Ȥ????Ĥ٤??Ǥ??? "main" ?롼?????????Υ??????Ȥ?
 * ???Υץ??????ब???򤹤??Τ??򵭽Ҥ????٤??Ǥ???
 */
int
main(int argc, char *argv[])
{
	char *ep;
	long num;
	int ch;

???????Τ????ˡ????ץ??????β??Ϥˤ? getopt(3) ?????Ѥ??????٤??Ǥ??? getopt(3) ?ƤӽФ??? switch ʸ?Ǥϡ????ץ??????򥽡??Ȥ??٤??Ǥ????? switch ʸ?Υ????????ɤΰ????ξ??????㳰?Ǥ??? switch ʸ?Υ????????????Ǥ? FALLTHROUGH ???????Ȥ????Ĥ٤??Ǥ??? ???ͤΰ????????٤??????å????????٤??Ǥ??? ??ã?Ǥ??ʤ??????ɤ? NOTREACHED ???????Ȥ????Ĥ٤??Ǥ???

	while ((ch = getopt(argc, argv, "abNn:")) != -1)
		switch (ch) {		/* switch ?򥤥??ǥ??? */
		case 'a':		/* case ?ϥ????ǥ??Ȥ??ʤ? */
			aflag = 1;
			/* FALLTHROUGH */
		case 'b':
			bflag = 1;
			break;
		case 'N':
			Nflag = 1;
			break;
		case 'n':
			num = strtol(optarg, &ep, 10);
			if (num <= 0 || *ep != '\0') {
				warnx("illegal number, -n argument -- %s",
				    optarg);
				usage();
			}
			break;
		case '?':
		default:
			usage();
			/* NOTREACHED */
		}
	argc -= optind;
	argv += optind;

ͽ???? (if, while, for, return, switch) ?θ??˥??ڡ??????????ޤ??? ????ȼ???ʤ????????? 1 ?Ĥ?ʸ??ȼ??????ʸ?ϡ??֥졼?? (‘{’ ?????? ‘}’) ?????Ѥ??ޤ????? 1 ?Ĥ?ʸ?? ʣ???ԤǤ???ʸ?ξ????ˤϡ??????ϵ??????ޤ??? ̵?¥롼?פ? while ?ǤϤʤ? for ?ǹԤʤ??ޤ???

	for (p = buf; *p != '\0'; ++p)
		;	/* ?????ʤ? */
	for (;;)
		stmt;
	for (;;) {
		z = a + really + long + statement + that + needs +
		    two + lines + gets + indented + four + spaces +
		    on + the + second + and + subsequent + lines;
	}
	for (;;) {
		if (cond)
			stmt;
	}
	if (val != NULL)
		val = realloc(val, newsize);

for ?롼?פγ????϶??Τޤ޻Ĥ??Ƥ⹽???ޤ????? ?۾???ʣ???ʥ롼?????Ǥʤ??¤??ϡ??֥??å??????????????֤??ƤϤʤ??ޤ?????

	for (; cnt < 15; cnt++) {
		stmt1;
		stmt2;
	}

?????ǥ??Ȥ? 8 ʸ???Υ??֤Ǥ??? ?? 2 ???٥??Υ????ǥ??Ȥ? 4 ʸ???Υ??ڡ????Ǥ??? Ĺ??ʬ???ޤ??֤?ɬ?פ????????硢???ڥ졼???????????֤??ޤ???

	while (cnt < 20 && this_variable_name_is_too_long &&
	    ep != NULL)
		z = a + really + long + statement + that + needs +
		    two + lines + gets + indented + four + spaces +
		    on + the + second + and + subsequent + lines;

????ʸ???????????ɲä??ƤϤ????ޤ????? ?ޤ????????ǥ??Ȥ????????뤿???ˤϡ????֤Ȥ??θ??˥??ڡ????Τߤ????Ѥ??ޤ??? ???֤????߽Ф??ʾ??Υ??ڡ????䡢???֤????Υ??ڡ????ϻ??Ѥ??ޤ?????

?֥졼???ν?λ?ȳ??Ϥ? else ??Ʊ???Ԥ??֤????ޤ??? ɬ?פǤʤ??֥졼???Ͼʤ??Ƥ⹽???ޤ?????

	if (test)
		stmt;
	else if (bar) {
		stmt;
		stmt;
	} else
		stmt;

?ؿ?̾?θ??ϥ??ڡ??????????ޤ????? ?????ޤθ??ˤϥ??ڡ??????????ޤ??? ‘(’ ?ޤ??? ‘[’ ?θ????ޤ??? ‘]’ ?ޤ??? ‘)’ ?????ˤϥ??ڡ??????????ޤ?????

	error = function(a1, a2);
	if (error != 0)
		exit(error);

ñ???黻?Ҥϥ??ڡ??????׵ᤷ?ޤ??󤬡??????黻?Ҥ??׵ᤷ?ޤ??? ͥ?????̤??׵᤹???????ޤ???ʸ?????̤ʤ??ǤϺ??𤹤??????ʳ??ϡ? ???̤ϻ??Ѥ??ޤ????? ¾?ͤϤ??ʤ??????⺮?𤷤䤹?????⤷???ʤ??Ȥ??????Ȥ??Ф??Ƥ????Ƥ????????? ???ʤ??ϰʲ????????Ǥ??ޤ????

	a = b->c[0] + ~d == (e || f) || g && h ? i : j >> 1;
	k = !(l & FLAGS);

???????ˤ? 0 ?ǡ??ޤ??? sysexits(3) ?ˤ??餫???????????Ƥ????ͤ? exit ?????٤??Ǥ???

	exit(EX_OK);	/*
			 * "Exit 0 on success." (???????? 0 ?ǽ?λ)
			 * ???ͤ?ʬ???꤭?ä????????Ȥ??򤱤Ƥ???????
			 */
}

?ؿ??η??ϡ??ؿ????Ȥ????Ԥ????Ԥˤ????٤??Ǥ??? ?ؿ??????Τγ??ϤΥ֥졼???ϡ?ñ?Ȥ? 1 ?ԤǤ????٤??Ǥ???

static char *
function(int a1, int a2, float fl, int a4)
{

?ؿ????????ѿ??????????????ˤϡ??????????ˡ????˥????ե??٥åȽ??? ?????Ȥ??????????ޤ??? 1 ?Ԥ?ʣ?????????ϲ?ǽ?Ǥ??? ?Ԥ????????????ϡ?????ͽ?????????ٻ??Ѥ??ޤ???

?????????ѿ????????????뤳?Ȥˤ??äƥ????ɤ? ?????Ƥˤ??ʤ??ͤ????դ??Ƥ????????? ???ε?ǽ???ɤ??ͤ??ƻ??Ѥ??Ƥ????????? ???????˴ؿ??ƤӽФ??????Ѥ??ʤ??Ǥ?????????

	struct foo one, *two;
	double three;
	int *four, five;
	char *six, seven, eight, nine, ten, eleven, twelve;

	four = myfunction();

¾?δؿ????????Ǵؿ??????????ʤ??Ǥ????????? ANSI C ?ˤ????ȡ????Τ褦???????ϡ??????Υͥ??ƥ??󥰤ˤ??餺?? ?ե????륹?????פˤʤ??ޤ??? ???????륹?????פ˸????????Τ????˥ե????????????򱣤????ȤϹ??ޤ????ʤ??? ?ɤ??????ѥ????϶??????????ޤ???

???㥹?Ȥ? sizeof ?黻?Ҥθ??ˤϥ??ڡ?????³???ޤ????? ???ε?§?? indent(1) ?????򤷤ʤ????Ȥ????դ??Ƥ????????? sizeof ?Ͼ??˳??̤??Ĥ??ƽ񤫤??ޤ??? ??Ĺ?ʳ??̤ε?§?? sizeof(var) ?λ????ˤ?Ŭ?Ѥ????ޤ?????

NULL ?ϡ????ޤ????̥??ݥ??????????Ǥ??? ?????ѥ??餬?????ΤäƤ???ʸ̮???㤨???????Ǥϡ? (type *)0 ?ޤ??? (type *)NULL ?????????ˡ? NULL ?????Ѥ??ޤ??? ¾??ʸ̮?Ǥϡ??ä????Ƥδؿ??ΰ????Ǥϡ? (type *)NULL ?????Ѥ??ޤ??? (?ؿ??Υץ??ȥ????פ????????׳????⤷???ʤ??????ˡ? ???㥹?ȤϤ????????ʰ????ˤȤä?ɬ?ܤǡ?????¾?ΰ????ˤȤäƤ?ɬ?פǤ???) ?ݥ??󥿤? NULL ?????Ӥ??ޤ??? ?㤨?С????Τ褦?˻Ȥ??ޤ?:

(p = f()) == NULL

???Τ褦?ˤϻȤ??ޤ???:

!(p = f())

?????? (?֡?????) ?ǤϤʤ????硢?ƥ??Ȥˤ? ! ?????Ѥ??ʤ??Ǥ????????? ?㤨?С????Τ褦?˻Ȥ??ޤ?:

if (*p == '\0')

???Τ褦?ˤϻȤ??ޤ???:

if (!*p)

void * ???֤??롼?????Ǥϡ? ?????ͤ??ɤΥݥ??󥿷??ˤ⥭?㥹?Ȥ??ƤϤʤ??ޤ?????

return ʸ???ͤϳ??̤ǰϤޤ??Ƥ????٤??Ǥ???

err(3) ?ޤ??? warn(3) ?????Ѥ????????˺????ʤ??Ǥ?????????

	if ((four = malloc(sizeof(struct foo))) == NULL)
		err(1, (char *)NULL);
	if ((six = (int *)overflow()) == NULL)
		errx(1, "number overflowed");
	return (eight);
}

?Ť??????????δؿ??????Ϥ??Τ褦?ˤʤäƤ??ޤ?:

static char *
function(a1, a2, fl, a4)
	int a1, a2;	/* int ???????????ޤ????ǥե????Ȥˤ??ʤ????? */
	float fl;	/* double ?? float ?ΰ㤤?˵????դ??Ƥ??????? */
	int a4;		/* ?ФƤ??????????????ޤ? */
{

???ʤ??????Τ? K&R ?Ȥθߴ?????ɬ?פȤ????????ʳ??ϡ? ANSI ?δؿ??????????Ѥ??Ƥ????????? Ĺ???ѥ??᡼???ꥹ?Ȥ??ޤ??֤??ˤϡ? 4 ?Ĥζ????ˤ????̾??Υ????ǥ??Ȥ??դ??ޤ???

???ѸĿ??ΰ????Ϥ??Τ褦?ˤ??ޤ?:

#include <stdarg.h>

void
vaf(const char *fmt, ...)
{
	va_list ap;

	va_start(ap, fmt);
	STUFF;
	va_end(ap);
	/* void ???δؿ??? return ?????פǤ? */
}

static void
usage()
{
	/* ?ؿ????????????ѿ????????ʤ????硢???Ԥ򤤤??ޤ? */

fputs(3), puts(3), putchar(3) ???ǤϤʤ??? printf(3) ?????Ѥ??Ƥ????????? ??????®?????????Ϥ??줤?ǡ??????ޤǤ??ʤ??Ĥޤ??ʤ??Х????򤱤ޤ???

????ˡ (usage) ??ʸ?ϥޥ˥奢???ڡ????? SYNOPSIS (????) ???ͤǤ????٤??Ǥ??? ????ˡ??ʸ?ϡ????ι?¤?Ǥ????٤??Ǥ?:

???ڥ????ɤ?̵?????ץ????󤬡??ǽ??˥????ե??٥åȽ??ˡ? 1 ?Ȥ??????? (‘[’ ?? ‘]’) ?Ǥ????????ޤ???
???ץ??????Ȥ??Υ??ڥ????ɤ??????⥢???ե??٥åȽ???³???? ???줾???Υ??ץ??????Ȥ??ΰ????? 1 ?Ȥ??????̤Ǥ??????ޤ???
ɬ?ܤΰ??? (?⤷??????) ??³???? ???ޥ??ɥ饤???ǻ??ꤵ?????٤????ǰ????????ޤ???
?Ǹ??ˡ? ???٤Ƥ?Ǥ?դΰ????????ꤵ?????٤????ǡ? ???٤??????̤????˰????????ޤ???

???? (‘|’) ?ϡ? “????????” ?Υ??ץ??????ޤ??ϰ?????ʬ?䤷?? Ʊ???˻??Ѥ??륪?ץ??????Ȱ????ϡ?ñ?????????̤Ǥ??????ޤ???

"usage: f [-aDde] [-b b_arg] [-m m_arg] req1 req2 [opt1 [opt2]]\n"
"usage: f [-a | -b] [-c [-dEe] [-n number]]\n"

	(void)fprintf(stderr, "usage: f [-ab]\n");
	exit(EX_USAGE);
}

?ޥ˥奢???ڡ????Υ??ץ????󵭽Ҥϡ? ?????ʥ????ե??٥åȽ??Ǥ????٤??Ǥ??뤳?Ȥ????դ??Ƥ????????? ?Ĥޤꡢ???ץ????󤬰????????뤫?ݤ??˴ؤ????ʤ??Ȥ??????ȤǤ??? ?????ե??٥åȽ??ϡ????Ҥ???ʸ????ʸ???ν???????θ?????????٤??Ǥ???

???????濴Ū?ʥ????ͥ??Υ????ɤϡ?Ŭ?٤? style ?????ɤ˽????٤??Ǥ??? ?????ɥѡ??ƥ????ݼ餹???⥸?塼?????ǥХ????ɥ饤?ФΤ????Υ????ɥ饤???? ?????ˤ䤫?Ǥ???????????????Ū?ˤ??????ΰ??Ӥ????????????Ǥ????٤??Ǥ???

?????????ݥ??ȥ???ʸ?Τ??ѹ? (????ʸ?????ѹ????ޤ?) ?Ϻ????ǡ? ????????ͳ?ʤ??ˤ??򤱤??٤??Ǥ??? ???ݥ??ȥ??????Τ????褽 FreeBSD KNF style ??Ŭ?礷?Ƥ??륳???ɤϡ?????Ŭ?礫??Υ???ƤϤʤ??ޤ?????

??ǽ?ʻ??ˤϤ??ĤǤ⡢ ?????ɤϥ????ɥ????å? (?㤨?С? lint(1) ?ޤ??? gcc -Wall) ?? ?̲ᤷ??ȯ???????ٹ??ϺǾ??¤Ȥʤ??٤??Ǥ???

??Ϣ????

indent(1), lint(1), err(3), sysexits(3), warn(3), style.Makefile(5)

????

???Υڡ????? 4.4BSD-Lite2 ???꡼???? src/admin/style/style ?ե????????礭?????Ť??Ƥ??ơ? ???ߤμ????? FreeBSD ?ץ????????Ȥ???˾??ȿ?Ǥ??ơ????ˤ˹??????Ƥ??ޤ???