getpwent

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Langue: ja

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Version: 1996-05-27 (openSuse - 09/10/07)

Section: 3 (Bibliothèques de fonctions)

Sommaire

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getpwent, setpwent, endpwent - ¥Ñ¥¹¥ï¡¼¥É¥Õ¥¡¥¤¥ë¤Î¥¨¥ó¥È¥ê¤Î¼èÆÀ

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#include <sys/types.h>

#include <pwd.h>



struct passwd *getpwent(void);



void setpwent(void);



void endpwent(void);

ÀâÌÀ

getpwent() ´Ø¿ô¤Ï¡¢¥Ñ¥¹¥ï¡¼¥É¡¦¥Ç¡¼¥¿¥Ù¡¼¥¹¤«¤é¼èÆÀ¤·¤¿¥¨¥ó¥È¥ê¤ò Í×ÁÇËè¤Ëʬ²ò¤·¡¢³ÆÍ×ÁǤò³ÊǼ¤·¤¿¹½Â¤ÂΤؤΥݥ¤¥ó¥¿¤òÊÖ¤¹ (¥Ñ¥¹¥ï¡¼¥É¡¦¥Ç¡¼¥¿¥Ù¡¼¥¹¤ÎÎã: ¥í¡¼¥«¥ë¤Î¥Ñ¥¹¥ï¡¼¥É¥Õ¥¡¥¤¥ë /etc/passwd, NIS, LDAP)¡£ ºÇ½é¤Ë¸Æ¤Ó½Ð¤µ¤ì¤¿»þ¤ÏºÇ½é¤Î¥¨¥ó¥È¥ê¤òÊÖ¤·¡¢¤½¤ì°Ê¹ß¤Ï ¸Æ¤Ó½Ð¤µ¤ì¤ëËè¤Ë¼¡¤Î¥¨¥ó¥È¥ê¤òÊÖ¤¹¡£

setpwent() ´Ø¿ô¤ò»È¤¦¤È¡¢¥Ñ¥¹¥ï¡¼¥É¡¦¥Ç¡¼¥¿¥Ù¡¼¥¹¤ÎÀèƬ¤ËÌá¤ë¡£

endpwent() ´Ø¿ô¤Ï¡¢Á´¤Æ¤Î½èÍý¤¬½ª¤ï¤Ã¤¿¸å¤Ë¥Ñ¥¹¥ï¡¼¥É¡¦ ¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò¥¯¥í¡¼¥º¤¹¤ë¡£

passwd ¹½Â¤ÂÎ¤Ï <pwd.h> ¤Ç°Ê²¼¤Î¤è¤¦¤ËÄêµÁ¤µ¤ì¤Æ¤¤¤ë:


struct passwd {

    char   *pw_passwd;     /* ¥æ¡¼¥¶¤Î¥Ñ¥¹¥ï¡¼¥É */

    uid_t   pw_uid;        /* ¥æ¡¼¥¶ ID */

    gid_t   pw_gid;        /* ¥°¥ë¡¼¥× ID */

    char   *pw_gecos;      /* ¼Â̾ */

    char   *pw_dir;        /* ¥Û¡¼¥à¥Ç¥£¥ì¥¯¥È¥ê */

    char   *pw_shell;      /* ¥·¥§¥ë¥×¥í¥°¥é¥à */

};

ÊÖ¤êÃÍ

getpwent() ´Ø¿ô¤Ï passwd ¹½Â¤ÂΤؤΥݥ¤¥ó¥¿¤òÊÖ¤¹¡£ ¤³¤ì°Ê¾å¥¨¥ó¥È¥ê¤¬Ìµ¤¤¤«¡¢¥¨¥é¡¼¤¬È¯À¸¤·¤¿¾ì¹ç¤Ï NULL ¤òÊÖ¤¹¡£ ¥¨¥é¡¼¤¬È¯À¸¤¹¤ë¤È¡¢ errno ¤¬Å¬ÀÚ¤ËÀßÄꤵ¤ì¤ë¡£ ¤³¤Î´Ø¿ô¤Î¸Æ¤Ó½Ð¤·¸å¤Ë errno ¤ò¥Á¥§¥Ã¥¯¤·¤¿¤¤¾ì¹ç¤Ï¡¢¸Æ¤Ó½Ð¤·Á°¤Ë errno ¤ò 0 ¤ËÀßÄꤷ¤Æ¤ª¤«¤Ê¤¤¤È¤¤¤±¤Ê¤¤¡£

¥¨¥é¡¼

EINTR
¥·¥°¥Ê¥ë¤¬Ê᪤µ¤ì¤¿¡£
EIO
Æþ½ÐÎÏ¥¨¥é¡¼¡£
EMFILE
¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤¬¥ª¡¼¥×¥ó¤µ¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¿ô¤¬ ¤¹¤Ç¤Ë¾å¸Â (OPEN_MAX) ¤Ç¤¢¤Ã¤¿¡£
ENFILE
¥·¥¹¥Æ¥à¤Ç¥ª¡¼¥×¥ó¤µ¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¿ô¤¬¤¹¤Ç¤Ë¾å¸Â¤Ç¤¢¤Ã¤¿¡£
ENOMEM
passwd ¹½Â¤ÂΤ˳ä¤êÅö¤Æ¤ë¥á¥â¥ê¤¬½½Ê¬¤Ê¤«¤Ã¤¿¡£
ERANGE
½½Ê¬¤Ê¥Ð¥Ã¥Õ¥¡¶õ´Ö¤¬¤Ê¤¤¡£

¥Õ¥¡¥¤¥ë

/etc/passwd
¥í¡¼¥«¥ë¤Î¥Ñ¥¹¥ï¡¼¥É¡¦¥Ç¡¼¥¿¥Ù¡¼¥¹¥Õ¥¡¥¤¥ë

½àµò

SVr4, 4.3BSD, POSIX.1-2001.

´ØÏ¢¹àÌÜ

fgetpwent(3), getpw(3), getpwent_r(3), getpwnam(3), getpwuid(3), putpwent(3), passwd(5)