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initgroups — ???롼?ץ????????ꥹ?Ȥν?????

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Standard C Library (libc, -lc)

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<unistd.h> int initgroups(const char *name, int basegid)

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initgroups() ?ؿ??ϡ? name ?ǻ??ꤵ?????桼???Τ????? getgrouplist(3) ?ؿ????Ȥäƥ??롼?ץ????????ꥹ?Ȥ??׻????ޤ??????θ塢???롼?ץꥹ?Ȥ? setgroups(2) ???Ȥ????ԥץ??????Ѥ????ꤵ???ޤ??? basegid ?ϼ?ưŪ?? ???롼?ץꥹ?Ȥ˴ޤޤ??ޤ????????ͤϥѥ???ɥե????뤫?? ???롼???ֹ??Ȥ???Ϳ?????????Τ?????Ū?Ǥ???

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The initgroups() function returns the value 0 if successful; otherwise the value -1 is returned and the global variable errno is set to indicate the error.

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initgroups() ?ؿ??ϡ????Ԥ??뤳?Ȥ????ꡢ setgroups(2) ?饤?֥????ؿ????Ф??ƻ??ꤵ???Ƥ??륨?顼?? errno ?????ꤹ?뤳?Ȥ??????ޤ???

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setgroups(2), getgrouplist(3)

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initgroups() ?ؿ??? 4.2BSD ?Ǽ????????????ޤ?????

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initgroups() ?????ƤӽФ????? getgrouplist() ?ؿ??? getgrent(3) ?˴??Ť? ?롼?????????Ѥ??ޤ??????Υ롼???????椫?鵯ư?ץ??????ब?ɤΥ롼?????? ???Ѥ??Ƥ⡢???롼?׹?¤?? initgroups() ?θƤӽФ????˾??񤭤????ޤ???