̾??

realpath — ?????????Хѥ?̾???᤹

?饤?֥???

Standard C Library (libc, -lc)

????

<sys/param.h> <stdlib.h> char * realpath(const char *pathname, char resolved_path[MAXPATHLEN])

????

realpath() ?ؿ??ϡ? pathname ?Τ??٤ƤΥ????ܥ??å????󥯡?;ʬ?? “/” ?????饯???? /./ ?? /../ ?Υ??ե????󥹤?ʬ?Ϥ??? resolved_path ?????Ȥ??????????????Хѥ?̾?򥳥ԡ????ޤ??? resolved_path ?????ϡ????ʤ??Ȥ? MAXPATHLEN ?????饯??????¸?Ǥ????Хåե??򻲾Ȥ??Ƥ???ɬ?פ??????ޤ???

realpath() ?ؿ??ϡ????Хѥ??????Хѥ???ξ????ʬ?Ϥ??? pathname ???б????????Хѥ?̾???ᤷ?ޤ??? pathname ?κǸ??Υ????ݡ??ͥ??Ȱʳ??ϡ? readpath() ???ƤӽФ????Ȥ???¸?ߤ??Ƥ???ɬ?פ??????ޤ???

??????

realpath() ?ؿ??ϡ????꤬?ʤ????? resolved_path ???ᤷ?ޤ??? ???顼??ȯ?????????硢 realpath() ?? NULL ???ᤷ???????Ȥʤä??ѥ?̾?? resolved_path ???????ޤ???

???顼

realpath() ?ؿ??????顼?Ȥʤ??ȡ??饤?֥????ؿ? chdir(2), close(2), fchdir(2), lstat(2), open(2), readlink(2), getcwd(3) ?ǻ??ꤵ???Ƥ??륨?顼???????ѿ? errno ?????ꤹ?뤳?Ȥ??????ޤ???

?ٹ?

???? realpath() ?μ????ϡ?Solaris ?Ǥμ????Ȥ?¿???ۤʤ??ޤ??? 4.4BSD ?ΥС????????Ͼ??????Хѥ?̾???ᤷ?ޤ?????Solaris ?Ǥμ????ϡ? ???????????ǡ????Хѥ?̾?????ꤵ?????????Хѥ?̾???ᤷ?ޤ???

??Ϣ????

getcwd(3)

????

realpath() ?ؿ??ϡ? 4.4BSD ?ǤϤ??????о줷?ޤ?????