readdir

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Version: 1996-04-22 (openSuse - 09/10/07)

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Section: 3 (Bibliothèques de fonctions)

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readdir - ¥Ç¥£¥ì¥¯¥È¥ê¤òÆɤ߹þ¤à

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#include <sys/types.h>



#include <dirent.h>



struct dirent *readdir(DIR *dir);

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readdir() ´Ø¿ô¤Ï¡¢dir ¤Î»Ø¤¹¥Ç¥£¥ì¥¯¥È¥ê¥¹¥È¥ê¡¼¥à¤ÎÃæ¤Ç¡¢ ¼¡¤Î¥Ç¥£¥ì¥¯¥È¥ê¥¨¥ó¥È¥ê¤òɽ¤¹ dirent ¹½Â¤ÂΤؤΥݥ¤¥ó¥¿¤òÊÖ¤¹¡£ ¥Õ¥¡¥¤¥ë¤ÎºÇ¸å¤Ë㤷¤¿¾ì¹ç¤ä¥¨¥é¡¼¤¬È¯À¸¤·¤¿¾ì¹ç¤Ï NULL ¤òÊÖ¤¹¡£

Linux ¤Ç¤Ï dirent ¹½Â¤ÂΤϰʲ¼¤Î¤è¤¦¤ËÄêµÁ¤µ¤ì¤Æ¤¤¤ë:


struct dirent {

    ino_t          d_ino;       /* inode ÈÖ¹æ */

    off_t          d_off;       /* ¼¡¤Î dirent ¤Ø¤Î¥ª¥Õ¥»¥Ã¥È */

    unsigned short d_reclen;    /* ¤³¤Î¥ì¥³¡¼¥É¤ÎŤµ */

    unsigned char  d_type;      /* ¥Õ¥¡¥¤¥ë¼ïÊÌ */

    char           d_name[256]; /* ¥Õ¥¡¥¤¥ë̾ */

};

POSIX ¤Ë¤è¤ë¤È¡¢ dirent ¹½Â¤ÂΤˤϥµ¥¤¥º¤ÎÌÀ¼¨¤µ¤ì¤Æ¤¤¤Ê¤¤ char d_name[] ¥Õ¥£¡¼¥ë¥É¤¬´Þ¤Þ¤ì¤ë¡£¤³¤Î¥Õ¥£¡¼¥ë¥É¤Ë¤ÏºÇÂç¤Ç NAME_MAX ʸ»ú¤È¡¢¤½¤ì¤Ë³¤¯½ªÃ¼¤Î NULL ¥Ð¥¤¥È¤¬³ÊǼ¤µ¤ì¤ë¡£ POSIX.1-2001 ¤Ç¤Ï XSI ³ÈÄ¥¤È¤·¤Æ ino_t d_ino ¥Õ¥£¡¼¥ë¥É¤Ë¤Ä¤¤¤Æ¤âµ­½Ò¤·¤Æ¤¤¤ë¡£ ¡Ö¾¤Î¥Õ¥£¡¼¥ë¥É¤ò»ÈÍѤ¹¤ë¤³¤È¤Ï¡¢ ¥×¥í¥°¥é¥à¤Î²ÄÈÂÀ­¤ò»¤Ê¤¦¤³¤È¤Ë¤Ê¤ë¤À¤í¤¦¡×

readdir() ¤Ë¤è¤Ã¤ÆÊÖ¤µ¤ì¤ë¥Ç¡¼¥¿¤Ï¡¢°Ê¹ß¤ÎƱ¤¸¥¹¥È¥ê¡¼¥à¤ËÂФ¹¤ë readdir() ¤Î¸Æ¤Ó½Ð¤·¤Ë¤è¤Ã¤Æ¾å½ñ¤­¤µ¤ì¤ë²ÄǽÀ­¤¬¤¢¤ë¡£

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readdir() ´Ø¿ô¤Ï dirent ¹½Â¤ÂΤؤΥݥ¤¥ó¥¿¤òÊÖ¤¹¡£ ¥¨¥é¡¼¤¬È¯À¸¤¹¤ë¤«¡¢¥Õ¥¡¥¤¥ë¤ÎºÇ¸å¤Ë㤷¤¿¾ì¹ç¤Ï NULL ¤òÊÖ¤¹¡£ ¥¨¥é¡¼¤Î¾ì¹ç¡¢ errno ¤¬Å¬ÀÚ¤ËÀßÄꤵ¤ì¤ë¡£

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SVr4, 4.3BSD, POSIX.1-2001

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read(2), closedir(3), dirfd(3), ftw(3), opendir(3), rewinddir(3), scandir(3), seekdir(3), telldir(3)