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GETGRNAM
Section: Linux Programmer's Manual (3)Updated: April 4, 1993
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getgrnam, getgrgid - ¥°¥ë¡¼¥×¥Õ¥¡¥¤¥ë¥¨¥ó¥È¥ê¤Î¼è¤ê½Ð¤·½ñ¼°
#include <grp.h> #include <sys/types.h> struct group *getgrnam(const char *name); struct group *getgrgid(gid_t gid);
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getgrnam() ´Ø¿ô¤Ï¡¢/etc/group ¤«¤é¼è¤ê½Ð¤·¤¿¡¢¥°¥ë¡¼¥×̾ name ¤Ë°ìÃפ¹¤ë¥¨¥ó¥È¥ê¤Î¥°¥ë¡¼¥×¾ðÊó¤ò´Þ¤à¹½Â¤ÂΤؤΥݥ¤¥ó¥¿¤òÊÖ¤¹¡£getgrgid() ´Ø¿ô¤Ï¡¢/etc/group ¤«¤é¼è¤ê½Ð¤·¤¿¡¢¥°¥ë¡¼¥× ID gid ¤Ë°ìÃפ¹¤ë¥¨¥ó¥È¥ê¤Î¥°¥ë¡¼¥×¾ðÊó¤ò´Þ¤à¹½Â¤ÂΤؤΥݥ¤¥ó¥¿¤òÊÖ¤¹¡£
group ¹½Â¤ÂΤϡ¢<grp.h> ¤Ç°Ê²¼¤Î¤è¤¦¤ËÄêµÁ¤µ¤ì¤Æ¤¤¤ë:
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struct group { char *gr_name; /* ¥°¥ë¡¼¥×̾ */ char *gr_passwd; /* ¥°¥ë¡¼¥×¤Î¥Ñ¥¹¥ï¡¼¥É */ gid_t gr_gid; /* ¥°¥ë¡¼¥× ID */ char **gr_mem; /* ¥°¥ë¡¼¥×¥á¥ó¥Ð */ };
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getgrnam() ¤È getgrgid() ´Ø¿ô¤Ï¡¢¥°¥ë¡¼¥×¾ðÊó¹½Â¤ÂΤؤΠ¥Ý¥¤¥ó¥¿¤òÊÖ¤¹¡£ °ìÃפ¹¤ë¥¨¥ó¥È¥ê¤¬¤Ê¤¤¤«¡¢¥¨¥é¡¼¤¬È¯À¸¤·¤¿¾ì¹ç¤Ï NULL ¤òÊÖ¤¹¡£¥¨¥é¡¼
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- /etc/group
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SVID 3, POSIX, BSD 4.3´ØÏ¢¹àÌÜ
fgetgrent(3), getgrent(3), setgrent(3), endgrent(3)