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llseek
Langue: ja
Version: 2007-06-01 (openSuse - 09/10/07)
Section: 2 (Appels système)
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#include <sys/types.h> #include <unistd.h> int _llseek(unsigned int fd, unsigned long offset_high, unsigned long offset_low, loff_t *result, unsigned int whence);
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_llseek() ´Ø¿ô¤Ï¡¢¥Õ¥¡¥¤¥ë¡¦¥Ç¥£¥¹¥¯¥ê¥×¥¿¡¼ (descriptor) fd ¤Ë´ØÏ¢¤Å¤±¤é¤ì¤¿¥ª¡¼¥×¥ó¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¤Î¥ª¥Õ¥»¥Ã¥È¤Î°ÌÃÖ¤ò¡¢ÁêÂÐŪ¤Ë (offset_high<<32) | offset_low ¥Ð¥¤¥È¤À¤±Êѹ¹¤¹¤ë¡£ ´ð½à¤È¤Ê¤ë°ÌÃÖ¤òɽ¤¹ whence ¤Ë¤Ï SEEK_SET, SEEK_CUR, SEEK_END ¤Î¤¤¤º¤ì¤«¤ò»ØÄꤷ¡¢¤½¤ì¤¾¤ì ¥Õ¥¡¥¤¥ë¤ÎÀèƬ¡¢¥Õ¥¡¥¤¥ë¤Î¸½ºß°ÌÃÖ¡¢ ¥Õ¥¡¥¤¥ë¤ÎºÇ¸å¤òɽ¤¹¡£ ·ë²Ì¤Î¥Õ¥¡¥¤¥ë°ÌÃÖ¤ò result °ú¤¿ô¤ËÊÖ¤¹¡£ÊÖ¤êÃÍ
À®¸ù¤·¤¿¾ì¹ç¤Ï¡¢ _llseek() ¤Ï 0 ¤òÊÖ¤¹¡£ ¤½¤¦¤Ç¤Ê¤ì¤Ð -1 ¤È¤¤¤¦Ãͤ¬Ê֤ꡢ¥¨¥é¡¼¤ò¼¨¤¹ errno ¤¬ÀßÄꤵ¤ì¤ë¡£¥¨¥é¡¼
- EBADF
- fd ¤¬¥ª¡¼¥×¥ó¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¡¦¥Ç¥£¥¹¥¯¥ê¥×¥¿¡¼¤Ç¤Ê¤¤¡£
- EFAULT
- ·ë²Ì¤ò¥æ¡¼¥¶¶õ´Ö¤Ë¥³¥Ô¡¼¤¹¤ë¤È¤¤ËÌäÂ꤬¤¢¤Ã¤¿¡£
- EINVAL
- whence ¤¬ÉÔÀµ¤Ç¤¢¤ë¡£
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