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fts — ?ե??????γ??ؤ????Ǥ???

?饤?֥???

Standard C Library (libc, -lc)

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<sys/types.h> <sys/stat.h> <fts.h> FTS * fts_open(char * const *path_argv, int options, int (*compar)(const FTSENT **, const FTSENT **)) FTSENT * fts_read(FTS *ftsp) FTSENT * fts_children(FTS *ftsp, int options) int fts_set(FTS *ftsp, FTSENT *f, int options) int fts_close(FTS *ftsp)

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fts ?ϡ? UNIX ?ե????볬?ؤ????Ǥ??뤿???δؿ??Ǥ?????ñ???????????ȡ? fts_open() ?ؿ??ϥե????볬?ؤ? “?ϥ??ɥ?” ???ᤷ?ޤ??????Υϥ??ɥ??ϡ?????¾?? fts ?ؿ??˻????Ǥ??ޤ??? fts_read() ?ؿ??ϡ??ե????볬?ؤ? 1 ?ĤΥե???????ɽ????¤?ΤΥݥ??󥿤??ᤷ?ޤ??? fts_children() ?ؿ??ϡ???¤?ΤΥ??󥯥ꥹ?ȤؤΥݥ??󥿤??ᤷ?ޤ????ƹ?¤?Τϡ? ???γ??ؤΤ????ǥ??쥯?ȥ??˴ޤޤ????ե????? 1 ?Ĥ?ɽ???ޤ??? ???̤ˡ??ǥ??쥯?ȥ??ϡ????? (???????λҤ˥?????????????) ?? ?ս? (???٤ƤλҤ˥?????????????) ?? 2 ?󥢥??????????ޤ??? ?ե??????? 1 ?󥢥??????????ޤ??? ?????ܥ??å????󥯤?̵?뤷???????ؤؤ? “????Ū??” ?????????? ?????ܥ??å????󥯤򤿤ɤ롢???ؤؤ?ʪ??Ū?ʥ????????? ???ؤؤΥ???????̿?ᡢ???ؤΰ??????ڤ?Υ?????ƥ???????????ǽ?Ǥ???

???󥯥롼?ɥե????? ⟨fts.h⟩ ?ˤϡ?2 ?Ĥι?¤?Τ??????????? (???ġ?typedef ???????⤵????) ???ޤ??? 1 ?Ĥϡ??ե????볬?ؤ??Τ??Τ?ɽ????¤?? FTS ?Ǥ????⤦ 1 ?Ĥϡ??ե????볬?ؤΥե????? 1 ?Ĥ?ɽ????¤?? FTSENT ?Ǥ????̾??ϡ??ե????볬?ؤΥե????뤹?٤ƤˤĤ??ơ???¤?? FTSENT ?? 1 ???ᤵ???ޤ??????Υޥ˥奢???ڡ????Ǥϡ? “?ե?????” ?? “FTSENT ??¤??” ?ϡ??ۤ?Ʊ????̣???????ޤ??? FTSENT ??¤?Τˤϡ????ʤ??Ȥ??ʲ??˼????ե??????ɤ??ޤߤޤ??????줾???? ?ե??????ɤˤĤ??Ƥϡ????Ǿܤ??????????ޤ???

typedef struct _ftsent {
	u_short fts_info;		/* flags for FTSENT structure */
	char *fts_accpath;		/* access path */
	char *fts_path;			/* root path */
	u_short fts_pathlen;		/* strlen(fts_path) */
	char *fts_name;			/* file name */
	u_short fts_namelen;		/* strlen(fts_name) */
	short fts_level;		/* depth (-1 to N) */
	int fts_errno;			/* file errno */
	long fts_number;		/* local numeric value */
	void *fts_pointer;		/* local address value */
	struct ftsent *fts_parent;	/* parent directory */
	struct ftsent *fts_link;	/* next file structure */
	struct ftsent *fts_cycle;	/* cycle structure */
	struct stat *fts_statp;		/* stat(2) information */
} FTSENT;

???????Υե??????ɤϡ??ʲ??Τ褦???????????Ƥ??ޤ???

fts_info

?ᤵ?줿 FTSENT ??¤?ΤȤ??줬ɽ???ե??????򵭽Ҥ??ޤ????ʲ??Τ??? 1 ?Ĥ??ͤ??????ޤ??? ???顼?Τʤ??ǥ??쥯?ȥ? (FTS_D) ???????С????٤ƤΥ????ȥ??Ͻ?ü?Ǥ????Ĥޤꡢ?ƥ????????????뤳?Ȥ? ?ʤ????Ҥ??????????????뤳?Ȥ⤢???ޤ?????

FTS_D

?????ǥ??????????????ǥ??쥯?ȥ??Ǥ???

FTS_DC

?ĥ꡼?Ǥν۴Ĥθ????Ȥʤ??ǥ??쥯?ȥ??Ǥ??? ( FTSENT ??¤?Τ? fts_cycle ?ե??????ɤˤ?Ʊ?ͤˤ??ξ??????????ޤ???)

FTS_DEFAULT

¾?Τɤ? fts_info ???ͤǤ????Τ?ɽ???ʤ??ե????륿???פ?ɽ?? FTSENT ??¤?ΤǤ???

FTS_DNR

?ɤ߹????ʤ??ǥ??쥯?ȥ??Ǥ????????ϥ??顼?꥿?????ǡ? fts_errno ?ե??????ɤ˥??顼?θ?????ɽ???ͤ????ꤵ???ޤ???

FTS_DOT

fts_open() ?˥ե?????̾?Ȥ??ƻ??ꤵ???Ƥ??ʤ??? ‘.’ ?䡢 ‘..’ ?Ȥ???̾???????ĥե??????Ǥ? ( FTS_SEEDOT ?򻲾?)??

FTS_DP

?ս??ǥ??????????????ǥ??쥯?ȥ??Ǥ??? ???? (?Ĥޤꡢ fts_info ?ե??????ɤ? FTS_D ?????ꤵ?줿????) ?????äƤ??????ϡ? FTSENT ??¤?Τ????Ƥ??ѹ??????Ƥ??ޤ?????

FTS_ERR

?????ϥ??顼?꥿?????Ǥ??ꡢ fts_errno ?ե??????ɤ˥??顼?θ????????ꤵ???ޤ???

FTS_F

?̾??ե??????Ǥ???

FTS_NS

stat(2) ?Ǿ??󤬼????Ǥ??ʤ??ե??????Ǥ??? fts_statp ?ե??????ɤ????Ƥ?̤?????ˤʤ??ޤ????????ϥ??顼?꥿?????Ǥ??ꡢ fts_errno ?ե??????ɤ˥??顼?θ?????ɽ???ͤ????ꤵ???ޤ???

FTS_NSOK

stat(2) ?Ǥξ??????????׵ᤷ?ʤ??ե??????Ǥ??? fts_statp ?ե??????ɤ????Ƥ??????ˤʤ??ޤ???

FTS_SL

?????ܥ??å????󥯤Ǥ???

FTS_SLNONE

???????åȤ?¸?ߤ??ʤ??????ܥ??å????󥯤Ǥ??? fts_statp ?ե??????ɤ????Ƥϡ????Υ????ܥ??å????󥯼??Τ? ?ե??????????????򻲾Ȥ??ޤ???

fts_accpath

???????ȥǥ??쥯?ȥ꤫???ե??????˥??????????뤿???Υѥ??Ǥ???

fts_path

???ǤΥ롼?Ȥ????Ρ??ե??????????Хѥ??Ǥ??????Υѥ??ˤϡ? fts_open() ?˻??ꤷ???ѥ?????Ƭ???Ȥ??ƴޤޤ??ޤ???

fts_pathlen

fts_path ?????Ȥ???ʸ??????Ĺ???Ǥ???

fts_name

?ե???????̾???Ǥ???

fts_namelen

fts_name ?????Ȥ???ʸ??????Ĺ???Ǥ???

fts_level

???Υե????뤬???Ĥ??ä??????Ρ????β??Ǥˤ????뿼???Ǥ??????ο????? -1 ???? N ?ޤǤ??ֹ椬?դ??????ޤ??????Ǥγ??????ο? (?ޤ??ϥ롼??) ??ɽ?? FTSENT ??¤?Τˤϡ??ֹ? FTS_ROOTPARENTLEVEL (-1) ???դ????ޤ??? ?롼?Ȥ? FTSENT ??¤?Τˤϡ??ֹ? FTS_ROOTLEVEL (0) ???դ????ޤ???

fts_errno

?ؿ? fts_children() ?⤷???? fts_read() ????¤?? FTSENT ???᤹?˺ݤ??? fts_info ?ե??????ɤ? FTS_DNR, FTS_ERR, FTS_NS ?Τ????줫?????ꤵ?줿???֤ξ????ϡ? fts_errno ?ե??????ɤϡ????顼?θ????򼨤??????ѿ? errno ???ͤ??ޤߤޤ???????¾?ξ??硢 fts_errno ?ե??????ɤ????Ƥ?̤?????Ǥ???

fts_number

???Υե??????ɤϡ????ץꥱ?????????ץ????????? ???Ѥ??뤿???Τ??Τǡ? fts ?ؿ????Ϥ??Υե??????ɤ??ѹ????ޤ??󡣤??Υե??????ɤ? 0 ?ǽ??????????Ƥ??ޤ???

fts_pointer

???Υե??????ɤϡ????ץꥱ?????????ץ????????ǻ??Ѥ??뤿???Τ??Τǡ? fts ?ؿ????Ϥ??Υե??????ɤ????????ޤ??󡣤??Υե??????ɤ? NULL ?ǽ??????????Ƥ??ޤ???

fts_parent

???Υե????뤬?????ФȤʤäƤ????ǥ??쥯?ȥ??Τ褦?ˡ????????ܤ??Ƥ??? ?ե??????Τ??????γ??ؤˤ????ե??????򻲾Ȥ??? FTSENT ??¤?ΤΥݥ??󥿤Ǥ????????????ȥ??ݥ????Ȥοƹ?¤?Τ??󶡤????ޤ????? fts_level ?ե??????ɡ? fts_number ?ե??????ɡ? fts_pointer ?ե??????ɤν??????????ݾڤ????ޤ?????

fts_link

fts_children() ?ؿ??????????ȡ? fts_link ?ե??????ɤϡ??ǥ??쥯?ȥ??Υ????Ф?ɽ?????ʥ뽪ü???줿???󥯥ꥹ?? ?????μ??ι?¤?Τ??ؤ??ޤ???????¾?ξ??硢 fts_link ?ե??????ɤ????Ƥ?̤?????Ǥ???

fts_cycle

?ǥ??쥯?ȥ? 2 ?Ĥδ֤Υϡ??ɥ??󥯤䡢?ǥ??쥯?ȥ????ؤ? ?????ܥ??å????󥯤ˤ??ꡢ?????ǥ??쥯?ȥ꤬???ع?¤?????ǽ۴Ĥ? ?????ȤʤäƤ??????? ( FTS_DC ????)?????ι?¤?Τ? fts_cycle ?ե??????ɤϡ????γ??ع?¤?????ǡ? ???ߤ? FTSENT ??¤?Τ?Ʊ???ե??????򻲾Ȥ??? FTSENT ??¤?Τ??ؤ??ޤ???????¾?ξ??硢 fts_cycle ?ե??????ɤ????Ƥ?̤?????Ǥ???

fts_statp

?ե??????? stat(2) ?ξ??????ؤ??ݥ??󥿤Ǥ???

?ե????볬?ؤˤ??????ե??????Τ??٤ƤΥѥ????Ф???1 ?ĤΥХåե??? ???Ѥ??ޤ??????Τ??ᡢ fts_path ?ե??????ɤ? fts_accpath ?ե??????ɤϡ? NUL??ü?????Ƥ??? ???Ȥ??ݾڤ??????Τϡ? fts_read() ???Ǹ????ᤷ???ե????? ?Τ? ?Ǥ???¾?? FTSENT ??¤?Τ?ɽ???ե??????򻲾Ȥ??뤿???ˡ????? ?ե??????ɤ????Ѥ??뤿???ˤϡ????? FTSENT ??¤?Τ? fts_pathlen ?ե??????ɤ˴ޤޤ????????ǥѥ??Хåե??? ????????ɬ?פ??????ޤ??? fts_read() ?򤵤??˸ƤӽФ????ˡ? ???Τ褦?ʽ????򸵤??ᤷ?Ƥ???ɬ?פ??????ޤ??? fts_name ?ե??????ɤϡ????? NUL??ü?????Ƥ??ޤ???

FTS_OPEN

?ؿ? fts_open() ?ϡ??????оݤ??????ե????볬?ؤ????????? 1 ?İʾ??Υѥ??? ???ꤹ??ʸ?????ݥ??󥿤????????ؤ??ݥ??󥿤??????ޤ????????ϡ? NULL ?ݥ??󥿤ǽ????äƤ???ɬ?פ??????ޤ???

??¿???Υ??ץ????󤬤????ޤ??????????Ǥ⼡?Τ??? 1 ?? ( FTS_LOGICAL ?? FTS_PHYSICAL) ?????ꤹ??ɬ?פ??????ޤ??????ץ??????ϡ??ʲ????ͤ??????¤? ???뤳?Ȥ????򤵤??ޤ???

FTS_COMFOLLOW

???Υ??ץ??????????ꤹ???ȡ? FTS_LOGICAL ?????ꤵ???Ƥ??뤫?ɤ????˴ؤ??餺???롼?ȥѥ??Ȥ??ƻ??ꤵ?줿 ?????ܥ??å????󥯤??????ˤ??ɤ????ޤ???

FTS_LOGICAL

???Υ??ץ??????????ꤹ???ȡ? fts ?롼?????ϡ??????ܥ??å????󥯤??Τ??ΤǤϤʤ??? ?????ܥ??å????󥯤Υ??????åȤ? FTSENT ??¤?Τ??᤹?褦?ˤʤ??ޤ??????Υ??ץ??????????ꤹ???ȡ? ???ץꥱ???????????ᤵ???? FTSENT ??¤?Τ??ؤ??????ܥ??å????󥯤ϡ?¸?ߤ??ʤ??ե??????? ???Ȥ??????Τ????ˤʤ??ޤ??? fts_open() ?ؿ??ˤϡ? FTS_LOGICAL ?? FTS_PHYSICAL ?????ꤹ??ɬ?פ??????ޤ???

FTS_NOCHDIR

?ѥե????ޥ󥹤???Ŭ?????뤿?ᡢ fts ?ؿ??ϡ??ե????볬?ؤΥ??????????? ???????ȥǥ??쥯?ȥ????ѹ????ޤ????????ˤϡ????????ˤɤΥǥ??쥯?ȥ? ?ˤ??뤫?????ץꥱ???????????????Ǥ??ʤ??Ȥ????????Ѥ??????ޤ??? FTS_NOCHDIR ???ץ??????Ϥ??κ?Ŭ????̵???ˤ????Τǡ? fts ?ؿ??ϥ??????ȥǥ??쥯?ȥ????ѹ????ʤ??ʤ??ޤ??? FTS_NOCHDIR ?????ꤷ?Ƥ??ʤ????⤷???ϡ? fts_open() ?????Хѥ?̾???????Ȥ??ƻ??ꤷ?Ƥ??ʤ??????ϡ????ץꥱ?????????? ???????ȥǥ??쥯?ȥ????ѹ??????ꡢ?ե??????˥????????????? ???ʤ??Ǥ?????????

FTS_NOSTAT

?ǥե????ȤǤϡ??ᤵ???? FTSENT ??¤?Τϡ??????????????ե????뤽?줾???ˤĤ??? ?ե????????????? ( statp ?ե???????) ?򻲾Ȥ??Ƥ??ޤ??????Υ??ץ??????ϡ??ѥե????ޥ󥹤? ??Ŭ?????뤿???ˤ????׷??????¤??? fts ?ؿ??? fts_info ?ե??????ɤ? FTS_NSOK ?????ꤷ?ơ? statp ?ե??????ɤ????Ƥ?̤?????Τޤޤˤ??뤳?Ȥ????Ĥ??ޤ???

FTS_PHYSICAL

???Υ??ץ??????????ꤹ???ȡ? fts ?롼?????ϡ??????ܥ??å????󥯤??ؤ????????åȥե??????ǤϤʤ??? ?????ܥ??å????󥯼??Τ? FTSENT ??¤?Τ??᤹?褦?ˤʤ??ޤ??????Υ??ץ??????????ꤹ???ȡ? ???ؤ?¸?ߤ??뤹?٤ƤΥ????ܥ??å????󥯤? FTSENT ??¤?Τ????ץꥱ???????????ᤵ???ޤ??? fts_open() ?ؿ??ˤϡ? FTS_LOGICAL ?? FTS_PHYSICAL ?????ꤹ??ɬ?פ??????ޤ???

FTS_SEEDOT

?ǥե????ȤǤϡ? fts_open() ?Υѥ??????Ȥ??ƻ??ꤷ?ʤ??¤ꡢ?ե????볬?ؤ?¸?ߤ??롢 ‘.’ ?⤷???ϡ? ‘..’ ?Ȥ???̾???Υե???????̵?뤵???ޤ??????Υ??ץ??????????ꤹ?뤳?Ȥˤ??ꡢ fts ?롼?????ϡ????Τ褦?? ?ե??????? FTSENT ??¤?Τ??᤹?褦?ˤʤ??ޤ???

FTS_XDEV

???Υ??ץ??????????ꤹ???ȡ? fts ?ϡ????ߤ??Ϥ᤿?ե??????? ?ۤʤ??ǥХ????ֹ??????ĥǥ??쥯?ȥ??˲??ߤ??ޤ?????

???? compar() ?ϡ????ز??Ǥν????????˻??Ѥ??????桼???????ؿ??? ???ꤷ?ޤ??????δؿ??ϡ? FTSENT ??¤?ΤΥݥ??󥿤??ؤ? 2 ?ĤΥݥ??󥿤? ?????Ȥ??Ƽ??ꡢ?ǽ??ΰ????????Ȥ????ե????뤬??2 ???ܤΰ????? ???Ȥ????ե????????????????뤫?????Ǥ??????Ǥ??ɤ????Ǥ⹽???ʤ????? ?????????뤫?ˤ??äơ????줾???????͡?0???????ͤ??ᤵ?ͤФʤ??ޤ????? ???????ӤǤϡ? FTSENT ??¤?Τ? fts_accpath, fts_path, fts_pathlen ?ե??????ɤ? ???Ф? ???Ѥ??ƤϤ????ޤ????? fts_info ?ե??????ɤ? FTS_NS ?? FTS_NSOK ?????ꤵ???Ƥ??????硢 fts_statp ?ե??????ɤ????Ѥ??ƤϤʤ??ޤ????? ???? compar() ?? NULL ?Ǥ??????硢?ǥ??쥯?ȥ겣?ǽ????ϡ??롼?ȥѥ??Ǥ? path_argv ?ǥꥹ?Ȥ??????????ˡ????? ¾???٤Ƥξ????Ǥϡ??ǥ??쥯?ȥ??ǥꥹ?Ȥ????Ƥ????????ˤʤ??ޤ???

FTS_READ

fts_read() ?ؿ??ϡ????ؤΥե???????ɽ?? FTSENT ??¤?ΤΥݥ??󥿤??ᤷ?ޤ????ǥ??쥯?ȥ? (?ɹ??߲?ǽ?ǽ۴Ĥθ????Ȥʤ??ʤ?????) ?ϡ?????õ?????? 1 ???? ?ս?õ?????? 1 ?󡢾??ʤ??Ȥ? 2 ?󥢥??????????ޤ??? ????¾???٤ƤΥե??????ϡ????? 1 ?󥢥??????????ޤ??? (?ǥ??쥯?ȥ??֤Υϡ??ɥ??󥯤ǽ۴Ĥθ????Ȥʤ??ʤ????Ρ? ?ޤ??ϥ????ܥ??å????󥯤??Ф??륷???ܥ??å????󥯤ϡ??ե??????ξ??硢 1 ???ʾ奢???????????븶???Ȥʤꡢ?ǥ??쥯?ȥ??ξ??硢 2 ???ʾ奢?????????줿?ꤹ?븶???Ȥʤ뤳?Ȥ??????ޤ???)

???ؤΤ??٤ƤΥ????Ф??ᤵ?????ȡ? fts_read() ?? NULL ???ᤷ???????ѿ? errno ?? 0 ?????ꤷ?ޤ??????????Υե???????̵?ط??ʥ??顼??ȯ???????ȡ? fts_read() ?? NULL ???ᤷ?? errno ??Ŭ?ڤ??ͤ????ꤷ?ޤ????ᤵ?????ե??????? ?ط????륨?顼??ȯ???????ȡ? FTSENT ??¤?ΤΥݥ??󥿤??ᤵ?졢 errno ?????ꤵ?줿?????ꤵ???ʤ??ä??ꤷ?ޤ? ( fts_info ????)??

fts_read() ???᤹ FTSENT ??¤?Τϡ?Ʊ???ե????볬?إ??ȥ꡼?????Ф??? fts_close() ???ƤӽФ????塢?⤷???ϡ? ???ι?¤?Τ??ǥ??쥯?ȥ귿?ե???????ɽ???Ƥ??ʤ??????? Ʊ???ե????볬?إ??ȥ꡼?????Ф??? fts_read() ???ƤӽФ????塢???񤭤????뤳?Ȥ??????ޤ??? ?ɤ????ξ????Ǥ⡢?ս?õ???κݤ? fts_read() ?? FTSENT ???֤??????? fts_read() ???ƤӽФ??ޤǤϡ? FTSENT ??¤?ΤϾ??񤭤????ޤ?????

FTS_CHILDREN

?ؿ? fts_children() ?ϡ? fts_read() ???Ƕ??ᤷ?? FTSENT ??¤?Τ?ɽ?? ?ǥ??쥯?ȥ??Υե??????? NULL ?ǽ????????󥯥ꥹ?Ȥκǽ??Υ????ȥ??Ǥ??? FTSENT ??¤?ΤΥݥ??󥿤??ᤷ?ޤ????ꥹ?Ȥϡ? FTSENT ??¤?Τ? fts_link ?ե??????ɤǥ??󥯤??졢?桼?????????Ӵؿ????????????ϡ??????? ?????դ??????ޤ??? fts_children() ?򷫤??֤??ƤӽФ??ȡ????Υ??󥯥ꥹ?Ȥ? ???Τ??Ӥ˺ƺ????????ޤ???

???̤ʾ????Ȥ??ơ????γ??ؤ? fts_read() ???ޤ??ƤӽФ????Ƥ??ʤ????硢 fts_children() ?ϡ? fts_open() ?˻??ꤵ?줿 ?????ǥ??쥯?ȥ??ˤ????ե????? (???ʤ????? ftp_open() ?˻??ꤵ?줿????) ???ؤ??ݥ??󥿤??ᤷ?ޤ??? fts_read() ?????Ǥ˸ƤӽФ????Ƥ????Ȥ??ˡ? fts_read() ???Ƕ??ᤷ?? FTSENT ??¤?Τ???????õ???ǥ??????????줿?ǥ??쥯?ȥ??Ǥʤ????? ?ǥ??쥯?ȥ??˥ե????뤬?ޤޤ??Ƥ??ʤ????硢 fts_children() ?? NULL ???ᤷ?? errno ?? 0 ?????ꤷ?ޤ??????顼??ȯ???????ȡ? fts_children() ?? NULL ???ᤷ?? errno ??Ŭ?ڤ??ͤ????ꤷ?ޤ???

fts_children() ???᤹ FTSENT ??¤?Τϡ?Ʊ???ե????볬?إ??ȥ꡼???? ???Ѥ??? fts_children(), fts_close(), fts_read() ?θƤӽФ??θ塢 ???񤭤????뤳?Ȥ??????ޤ???

option ?ˤϡ??ʲ????ͤ??????Ǥ??ޤ???

FTS_NAMEONLY

?ե???????̾????????ɬ?פǤ??뤳?Ȥ򼨤??ޤ????ᤵ?줿??¤?Τ? ???󥯥ꥹ?Ȥ?¸?ߤ??뤹?٤ƤΥե??????ɤ????Ƥϡ? fts_name ?ե??????ɤ? fts_namelen ?ե??????ɤ???????̤?????ˤʤ??ޤ???

FTS_SET

?ؿ? fts_set() ?ˤ??ꡢ???ȥ꡼?? ftsp ?Υե????? f ???Ф??ơ??????˹Ԥʤ??????? ?桼?????ץꥱ???????󤬷????뤳?Ȥ??Ǥ??ޤ??? fts_set() ?ؿ??ϡ????꤬?ʤ????? 0 ???ᤷ?????顼??ȯ???????????? -1 ???ᤷ?ޤ??? option ?Ȥ??ơ??ʲ??Τ????? 1 ?Ĥ??ͤ? ???ꤹ??ɬ?פ??????ޤ???

FTS_AGAIN

?ե????????ƥ??????????ޤ????ɤΤ褦?ʥե????륿???פΥե??????? ?ƥ???????????????ǽ?????????ޤ??????μ??? fts_read() ???ƤӽФ????Ȥǡ????Ȥ??줿?ե????뤬?ᤵ???ޤ??????ΤȤ?????¤?Τ? fts_stat ?ե??????ɤ? fts_info ?ե??????ɤ??Ƥӽ??????????ޤ?????????¾?Υե??????ɤ??ѹ??????ޤ????? ???Υ??ץ??????ϡ? fts_read() ???Ƕ??ᤷ???ե????????Ф??ƤΤ߰?̣???????ޤ????̾??ξ????ϵս? ?ǥ??쥯?ȥꥢ???????˻??Ѥ??ޤ??????ξ????ϥǥ??쥯?ȥ꤬?????ȵս??? ξ???Ǻƥ??????????졢???λҤ??٤Ƥ??ƥ????????????ޤ???

FTS_FOLLOW

???Ȥ????ե??????ϡ??????ܥ??å????󥯤Ǥ???ɬ?פ??????ޤ??? ???Ȥ????ե????뤬?? fts_read() ?ǺǶ??ᤵ?줿???ΤǤ??????硢???? fts_read() ???ƤӽФ??ȡ? fts_info ?ե??????ɤ? fts_statp ?ե??????ɤ? ?????????졢?????ܥ??å????󥯼??ΤǤϤʤ??????ܥ??å????󥯤Υ??????åȤ? ?ؤ??????֤ǥե????뤬?ᤵ???ޤ????ե????뤬 fts_children() ?ǺǶ??ᤵ?줿???ΤǤ??????硢??¤?Τ? fts_info ?ե??????ɤ? fts_statp ?ե??????ɤϡ? fts_read() ???ᤵ?????ȡ??????ܥ??å????󥯼??ΤǤϤʤ? ?????ܥ??å????󥯤Υ??????åȤ?ȿ?Ǥ??ޤ????ɤ????ξ????Ǥ⡢ ?????ܥ??å????󥯤Υ??????åȤ?¸?ߤ??ʤ????С??ᤵ???빽¤?ΤΥե??????? ???ѹ????줺?? fts_info ?ե??????ɤ? FTS_SLNONE ?????ꤵ???ޤ???

???󥯤Υ??????åȤ??ǥ??쥯?ȥ??Ǥ????????ϡ?????õ???ǤΥ꥿?????? ???٤Ƥλ?¹?Υ꥿???󡢵ս?õ???Υ꥿???󤬤??ν????Ǽ¹Ԥ????ޤ???

FTS_SKIP

???Υե??????λҤϥ????????????ޤ??󡣤????ǻ??ꤹ???ե??????Ȥ??ơ? fts_children() ?? fts_read() ???Ƕ??ᤷ?????Τɤ??餫????ǽ?Ǥ???

FTS_CLOSE

?ؿ? fts_close() ?ϡ??ե????볬?إ??ȥ꡼?? ftsp ???Ĥ??????????ȥǥ??쥯?ȥ????? fts_open() ???ƤӽФ??????Υǥ??쥯?ȥ????ᤷ?ޤ??? fts_close() ?ؿ??ϡ????顼???ʤ????? 0 ???ᤷ?????顼??ȯ???????????? -1 ???ᤷ?ޤ???

???顼

fts_open() ?ؿ??μ¹Ԥ????Ԥ????顼?ˤʤ??ȡ??饤?֥????ؿ? open(2) ?? malloc(3) ?ǻ??ꤵ?줿???顼?? errno ?????ꤵ???뤳?Ȥ??????ޤ???

fts_close() ?ؿ??????顼?ˤʤ??ȡ??饤?֥????ؿ? chdir(2) ?? close(2) ?????ꤷ?????顼?? errno ???ꤵ???뤳?Ȥ??????ޤ???

fts_read() ?ؿ??? fts_children() ?ؿ??????顼?ˤʤ??ȡ??饤?֥????ؿ? chdir(2), malloc(3), opendir(3), readdir(3), stat(2) ?ǻ??ꤵ?줿???顼?? errno ?????ꤵ???뤳?Ȥ??????ޤ???

fts_children(), fts_open(), fts_set() ?????顼?ˤʤ??ȡ??ʲ??Τ褦?? errno ?????ꤷ?ޤ???

[EINVAL]

???ץ??????????????????ޤ?????

??Ϣ????

find(1), chdir(2), stat(2), qsort(3)

????

fts ?桼?ƥ????ƥ??ϡ????衢 IEEE Std 1003.1-1988 (“POSIX.1”) ???ӥ????????Ȥ߹??ޤ????Ȼפ????ޤ???