accept

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Version: 2004-06-17 (openSuse - 09/10/07)

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Section: 2 (Appels système)

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accept - ¥½¥±¥Ã¥È¤Ø¤ÎÀܳ¤ò¼õ¤±¤ë

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#include <sys/types.h>
#include <sys/socket.h>

int accept(int sockfd, struct sockaddr *addr, socklen_t *addrlen);

ÀâÌÀ

accept() ¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï¡¢Àܳ»Ø¸þ¤Î¥½¥±¥Ã¥È·¿ (SOCK_STREAM, SOCK_SEQPACKET) ¤ÇÍѤ¤¤é¤ì¤ë¡£ ¤³¤Î´Ø¿ô¤Ï¡¢ÊÝα¾õÂÖ¤ÎÀܳÍ׵᤬Æþ¤Ã¤Æ¤¤¤ë¥­¥å¡¼¤«¤é ÀèƬ¤ÎÀܳÍ×µá¤ò¼è¤ê½Ð¤·¡¢ÀܳºÑ¤ß¥½¥±¥Ã¥È¤ò¿·µ¬¤ËÀ¸À®¤·¡¢ ¤½¤Î¥½¥±¥Ã¥È¤ò»²¾È¤¹¤ë¿·¤·¤¤¥Õ¥¡¥¤¥ë¡¦¥Ç¥£¥¹¥¯¥ê¥×¥¿¤òÊÖ¤¹¡£ ¿·µ¬¤ËÀ¸À®¤µ¤ì¤¿¥½¥±¥Ã¥È¤Ï¡¢ÀܳÂÔ¤Á (listen) ¾õÂ֤ǤϤʤ¤¡£ ¤â¤È¤â¤È¤Î¥½¥±¥Ã¥È sockfd ¤Ï¤³¤Î¸Æ¤Ó½Ð¤·¤Ë¤è¤Ã¤Æ±Æ¶Á¤ò¼õ¤±¤Ê¤¤¡£

°ú¤­¿ô sockfd ¤Ï¡¢ socket(2) ¤Ë¤è¤Ã¤ÆÀ¸À®¤µ¤ì¡¢ bind(2) ¤Ë¤è¤Ã¤Æ¥í¡¼¥«¥ë¥¢¥É¥ì¥¹¤Ë¥Ð¥¤¥ó¥É¤µ¤ì¡¢ listen(2) ¤ò·Ð¤ÆÀܳ¤òÂԤäƤ¤¤ë¥½¥±¥Ã¥È¤Ç¤¢¤ë¡£

addr °ú¤­¿ô¤Ï sockaddr ¹½Â¤ÂΤؤΥݥ¤¥ó¥¿¤Ç¤¢¤ë¡£ ¤³¤Î¹½Â¤ÂΤˤÏÀܳÁê¼ê¤Î¥½¥±¥Ã¥È¤Î¥¢¥É¥ì¥¹¤¬Æþ¤Ã¤Æ¤¤¤ë¡£ addr °ú¤­¿ô¤ÇÊÖ¤µ¤ì¤ë¥¢¥É¥ì¥¹¤ÎÀµ³Î¤Ê¥Õ¥©¡¼¥Þ¥Ã¥È¤Ï¡¢ ¥½¥±¥Ã¥È¤Î¥¢¥É¥ì¥¹¼ïÊ̤ˤè¤Ã¤ÆÊѤï¤ë (socket(2) ¤ª¤è¤Ó¤½¤ì¤¾¤ì¤Î¥×¥í¥È¥³¥ë¤Î man ¥Ú¡¼¥¸¤ò»²¾È)¡£ addrlen °ú¤­¿ô¤ÏÆþ½ÐÎÏξÍѤΰú¤­¿ô¤Ç¡¢ ºÇ½é¤Ï addr ¤¬¥Ý¥¤¥ó¥È¤¹¤ë¹½Â¤ÂΤΥµ¥¤¥º¤ò³ÊǼ¤·¤Æ¤¤¤ë¡£ ¥ê¥¿¡¼¥ó»þ¤Ë¤Ï¡¢ÊÖ¤µ¤ì¤¿¥¢¥É¥ì¥¹¤Î¼ÂºÝ¤ÎŤµ (¥Ð¥¤¥Èñ°Ì) ¤¬Æþ¤ë¡£ addr ¤¬ NULL ¤Î»þ¤Ï²¿¤âÂåÆþ¤µ¤ì¤Ê¤¤¡£

¥­¥å¡¼¤ËÊÝα¤È¤Ê¤Ã¤Æ¤¤¤ëÀܳÍ׵᤬¤Ê¤¯¡¢ ¤«¤Ä¥½¥±¥Ã¥È¤¬ÈóÄä»ß¤Ë¤Ê¤Ã¤Æ¤¤¤Ê¤¤¤È¤­¤Ï¡¢ accept() ¤ÏÀܳ¤¬È¯À¸¤¹¤ë¤Þ¤Ç¸Æ¤Ó½Ð¤·¸µ¤òÄä»ß (block) ¤¹¤ë¡£ ¥½¥±¥Ã¥È¤¬ÈóÄä»ß¤Ë¤Ê¤Ã¤Æ¤¤¤Æ¡¢ ÂÔ¤Á¾õÂÖ¤ÎÀܳÍ׵᤬¥­¥å¡¼¤Ë̵¤¤¤È¤­¤Ï¡¢ accept() ¤Ï EAGAIN ¥¨¥é¡¼¤Ç¼ºÇÔ¤¹¤ë¡£

¥½¥±¥Ã¥È¤Ø¤ÎÀܳÅþÃå¤òÃΤë¤Ë¤Ï¡¢ select(2) ¤Þ¤¿¤Ï poll(2) ¤òÍѤ¤¤ì¤Ð¤è¤¤¡£ ¿·¤·¤¤ÀܳÍ׵᤬Íè¤ë¤È¥½¥±¥Ã¥È¤ÏÆɤ߹þ¤ß²Äǽ¤Ë¤Ê¤ë¤Î¤Ç¡¢ ¤½¤¦¤·¤¿¤é accept() ¤ò¸Æ¤ó¤Ç¤½¤ÎÀܳ¤ËÂФ¹¤ë¥½¥±¥Ã¥È¤ò¼èÆÀ¤¹¤ì¤Ð¤è¤¤¡£ ¤¢¤ë¤¤¤Ï¥½¥±¥Ã¥È¤ËÀßÄê¤ò¹Ô¤¤¡¢²¿¤é¤«¤Î¥¢¥¯¥·¥ç¥ó¤¬¤¢¤Ã¤¿¤È¤­¤Ë SIGIO ¤òÇÛÁ÷ (deliver) ¤µ¤»¤ë¤è¤¦¤Ë¤¹¤ë¤³¤È¤â¤Ç¤­¤ë¡£¾ÜºÙ¤Ï socket(7) ¤ò»²¾È¤Î¤³¤È¡£

ÌÀ¼¨Åª¤ÊÀܳ³Îǧ (confirmation) ¤òɬÍפȤ¹¤ë¤è¤¦¤Ê¥×¥í¥È¥³¥ë (DECNet ¤Ê¤É) ¤Ç¤Ï¡¢ accept() ¤Ïñ¤Ë¼¡¤ÎÀܳÍ×µá¤ò¥­¥å¡¼¤«¤é¼è¤ê½Ð¤¹¤À¤±¤Ç¤¢¤ê¡¢ Àܳ³Îǧ¤Ï¹Ô¤ï¤Ê¤¤¤³¤È¤ËÃí°Õ¤»¤è¡£Àܳ³Îǧ¤Ï¡¢ ¿·¤·¤¤¥Õ¥¡¥¤¥ë¡¦¥Ç¥£¥¹¥¯¥ê¥×¥¿¤ËÂФ¹¤ë Ä̾ï¤ÎÆɤ߼è¤ê/½ñ¤­¹þ¤ß¤Ë¤è¤Ã¤Æ¤Ê¤µ¤ì¡¢ÀܳµñÈÝ (rejection) ¤Ï¿·¤·¤¤¥½¥±¥Ã¥È¤ò¥¯¥í¡¼¥º¤¹¤ë¤³¤È¤Ë¤è¤Ã¤Æ¤Ê¤µ¤ì¤ë¡£ ¸½ºß¤Î¤È¤³¤í¡¢ Linux ¾å¤Ç¤³¤ì¤é¤Î¥»¥Þ¥ó¥Æ¥£¥¯¥¹¤ò»ý¤Ä¤Î¤Ï DECNet ¤À¤±¤Ç¤¢¤ë¡£

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À®¸ù¤·¤¿¾ì¹ç¡¢ accept() ¤Ï¼õ¤±ÉÕ¤±¤¿¥½¥±¥Ã¥È¤Î¥Ç¥£¥¹¥¯¥ê¥×¥¿¤Ç¤¢¤ëÈóÉé¤ÎÀ°¿ôÃͤòÊÖ¤¹¡£ ¥¨¥é¡¼¤¬È¯À¸¤·¤¿¾ì¹ç¤Ï -1 ¤òÊÖ¤·¡¢ errno ¤òŬÀÚ¤ËÀßÄꤹ¤ë¡£

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Linux ¤Î accept() ¤Ï¡¢¿·¤·¤¤¥½¥±¥Ã¥È¤Ë¤ª¤±¤ë¡¢È¯À¸ºÑ¤ß¤Î¥Í¥Ã¥È¥ï¡¼¥¯¥¨¥é¡¼¤ò accept() ¤«¤é¤Î¥¨¥é¡¼¥³¡¼¥É¤È¤·¤ÆÅϤ¹¡£ ¤³¤Î¿¶Éñ¤¤¤Ï BSD ¥½¥±¥Ã¥È¤Î¼ÂÁõ¤È¤Ï°Û¤Ê¤ë¡£ ¿®ÍêÀ­¤Î¹â¤¤Æ°ºî¤ò¹Ô¤¦¤¿¤á¤Ë¤Ï¡¢ ¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤Ï¥×¥í¥È¥³¥ë¤ÇÄêµÁ¤µ¤ì¤Æ¤¤¤ë¥Í¥Ã¥È¥ï¡¼¥¯¥¨¥é¡¼¤Î¸¡ÃΤò accept() ¤Î¤¢¤È¤Ë¹Ô¤¤¡¢¤½¤ì¤é¤Î¥¨¥é¡¼¤ò EAGAIN ¤ÈƱ¤¸¤è¤¦¤Ë°·¤¤¡¢ºÆ»î¹Ô (retry) ¤ò¹Ô¤¦¤Ù¤­¤Ç¤¢¤ë¡£ TCP/IP ¤Ç¤Ï¡¢°Ê²¼¤Î¥¨¥é¡¼¤¬³ºÅö¤¹¤ë: ENETDOWN, EPROTO, ENOPROTOOPT, EHOSTDOWN, ENONET, EHOSTUNREACH, EOPNOTSUPP, ENETUNREACH

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accept() ¤Ï°Ê²¼¤Î¥¨¥é¡¼¤Ç¼ºÇÔ¤¹¤ë:
EAGAIN ¤Þ¤¿¤Ï EWOULDBLOCK
¥½¥±¥Ã¥È¤¬ÈóÄä»ß¤Ë¤Ê¤Ã¤Æ¤¤¤Æ¡¢ ¤«¤Ä¼õÉÕ¤±ÂоݤÎÀܳ¤¬Â¸ºß¤·¤Ê¤¤¡£
EBADF
¥Ç¥£¥¹¥¯¥ê¥×¥¿¤¬ÉÔÀµ¡£
ECONNABORTED
Àܳ¤¬Ãæ»ß¤µ¤ì¤¿¡£
EINTR
Í­¸ú¤ÊÀܳ¤¬ÅþÃ夹¤ëÁ°¤ËÊ᪤µ¤ì¤¿¥·¥°¥Ê¥ë¤Ë¤è¤Ã¤Æ ¥·¥¹¥Æ¥à¥³¡¼¥ë¤¬ÃæÃǤµ¤ì¤¿¡£
EINVAL
¥½¥±¥Ã¥È¤¬ÀܳÂÔ¤Á¾õÂ֤ǤϤʤ¤¡£¤â¤·¤¯¤Ï¡¢ addrlen ¤¬ÉÔÀµ¤Ç¤¢¤ë (Î㤨¤Ð¡¢Éé¤Î¾ì¹ç¤Ê¤É)¡£
EMFILE
1¥×¥í¥»¥¹¤¬¥ª¡¼¥×¥ó¤Ç¤­¤ë¥Õ¥¡¥¤¥ë¡¦¥Ç¥£¥¹¥¯¥ê¥×¥¿¿ô¤Î¾å¸Â¤Ë㤷¤¿¡£
ENFILE
¥ª¡¼¥×¥ó¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¤ÎÁí¿ô¤¬¥·¥¹¥Æ¥àÁ´ÂΤξå¸Â¤Ë㤷¤¿¡£
ENOTSOCK
¥Ç¥£¥¹¥¯¥ê¥×¥¿¤Ï¥½¥±¥Ã¥È¤Ç¤Ï¤Ê¤¯¥Õ¥¡¥¤¥ë¤ò»²¾È¤·¤Æ¤¤¤ë¡£
EOPNOTSUPP
»²¾È¤·¤Æ¤¤¤ë¥½¥±¥Ã¥È¤Î·¿¤¬ SOCK_STREAM ¤Ç¤Ê¤¤¡£

accept() ¤Ï°Ê²¼¤Î¥¨¥é¡¼¤Ç¼ºÇÔ¤¹¤ë¤³¤È¤¬¤¢¤ë:

EFAULT
addr °ú¤­¿ô¤¬¥æ¡¼¥¶¥¢¥É¥ì¥¹¶õ´Ö¤Î½ñ¤­¹þ¤ß²ÄǽÎΰè¤Ë¤Ê¤¤¡£
ENOBUFS, ENOMEM
¥á¥â¥ê¤¬Â­¤ê¤Ê¤¤¡£ ¿¤¯¤Î¾ì¹ç¤Ï¡¢¥·¥¹¥Æ¥à¥á¥â¥ê¤¬Â­¤ê¤Ê¤¤¤ï¤±¤Ç¤Ï¤Ê¤¯¡¢ ¥½¥±¥Ã¥È¥Ð¥Ã¥Õ¥¡¤ÎÂ礭¤µ¤Ë¤è¤ë¥á¥â¥ê³ä¤êÅö¤Æ¤ÎÀ©¸Â¤Ç¤¢¤ë¡£
EPROTO
¥×¥í¥È¥³¥ë¡¦¥¨¥é¡¼¡£

Linux ¤Î accept() ¤Ï°Ê²¼¤Î¥¨¥é¡¼¤Ç¼ºÇÔ¤¹¤ë:

EPERM
¥Õ¥¡¥¤¥¢¥¦¥©¡¼¥ë¤Î¥ë¡¼¥ë¤Ë¤è¤êÀܳ¤¬¶Ø»ß¤µ¤ì¤¿¡£

¤³¤Î¾¤Ë¡¢¿·¤·¤¤¥½¥±¥Ã¥È¤ËÂФ¹¤ë¥Í¥Ã¥È¥ï¡¼¥¯¥¨¥é¡¼¤¬ÊÖ¤µ¤ì¤ë¤³¤È¤â¤¢¤ë¡£ ¤³¤ì¤é¤Ï¤½¤ì¤¾¤ì¤Î¥×¥í¥È¥³¥ë¤ÇÄêµÁ¤µ¤ì¤Æ¤¤¤ë¡£ ¤¤¤í¤¤¤í¤Ê Linux ¥«¡¼¥Í¥ë¤Ç¤Ï¡¢ °Ê²¼¤Ë¼¨¤¹¤è¤¦¤Ê¥¨¥é¡¼¤òÊÖ¤¹¤³¤È¤â¤¢¤ë¡£ ENOSR, ESOCKTNOSUPPORT, EPROTONOSUPPORT, ETIMEDOUT. ERESTARTSYS ¤¬¥È¥ì¡¼¥¹¤ÎºÇÃæ¤Ë¸½¤ì¤ë¤³¤È¤â¤¢¤ë¡£

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SVr4, 4.4BSD, (accept() ¤Ï 4.2BSD ¤Ç½é¤á¤Æ¼ÂÁõ¤µ¤ì¤¿), POSIX.1-2001.

Linux ¤Ç¤Ï¡¢ accept() ¤¬ÊÖ¤¹¿·¤·¤¤¥½¥±¥Ã¥È¤Ï listen ¤ò¹Ô¤Ã¤Æ¤¤¤ë¥½¥±¥Ã¥È¤Î ¥Õ¥¡¥¤¥ë¾õÂ֥ե饰 (O_NONBLOCK ¤ä O_ASYNC ¤Ê¤É) ¤ò·Ñ¾µ¡Ö¤·¤Ê¤¤¡×¡£ ¤³¤ÎÆ°ºî¤Ïɸ½àŪ¤Ê BSD ¥½¥±¥Ã¥È¤Î¼ÂÁõ¤È¤Ï°Û¤Ê¤Ã¤Æ¤¤¤ë¡£ °Ü¿¢À­¤ò¹Íθ¤·¤¿¥×¥í¥°¥é¥à¤Ç¤Ï¥Õ¥¡¥¤¥ë¾õÂ֥ե饰¤¬·Ñ¾µ¤µ¤ì¤ë¤«¤É¤¦¤«¤Ï Á°Äó¤Ë¤»¤º¡¢¾ï¤Ë accept() ¤¬ÊÖ¤·¤¿¥½¥±¥Ã¥È¤ËÂФ·¤ÆÁ´¤Æ¤ÎɬÍפʥե饰¤òÌÀ¼¨Åª¤ËÀßÄꤹ¤ë¤è¤¦¤Ë ¤¹¤Ù¤­¤Ç¤¢¤ë¡£

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SIGIO ¤¬ÆϤ±¤é¤ì¤¿¸å¤ä¡¢ select(2) ¤Þ¤¿¤Ï poll(2) ¤¬Æɤ߹þ¤ß²Äǽ¥¤¥Ù¥ó¥È¤òÊÖ¤·¤¿¸å¤Ë¡¢ ɬ¤º¤·¤âÂÔµ¡Ãæ¤ÎÀܳ¤¬¤¢¤ë¤È¤Ï¸Â¤é¤Ê¤¤¡£ ¤Ê¤¼¤Ê¤é¤½¤ÎÀܳ¤Ï¡¢ accept() ¤¬¸Æ¤Ð¤ì¤ëÁ°¤Ë¡¢ÈóƱ´üŪ¤Ê¥Í¥Ã¥È¥ï¡¼¥¯¥¨¥é¡¼¤ä ¾¤Î¥¹¥ì¥Ã¥É¤«¤é¸Æ¤Ð¤ì¤¿ (Ê̤Î) accept ¤Ë¤è¤Ã¤Æ ºï½ü¤µ¤ì¤Æ¤¤¤ë¤«¤â¤·¤ì¤Ê¤¤¤«¤é¤Ç¤¢¤ë¡£ ¤³¤Î¾ì¹ç¡¢¤½¤Î accept() ¸Æ¤Ó½Ð¤·¤ÏÄä»ß (block) ¤·¡¢¼¡¤ÎÀܳ¤ÎÅþÃå¤òÂÔ¤Á¤Ä¤Å¤±¤ë¡£ accept() ¤ËÄä»ß¤ò¹Ô¤ï¤»¤Ê¤¤¤è¤¦¤Ë¤¹¤ë¤Ë¤Ï¡¢°ú¤­¿ô¤ËÅϤ¹¥½¥±¥Ã¥È sockfd ¤Ë O_NONBLOCK ¥Õ¥é¥°¤ò¥»¥Ã¥È¤·¤Æ¤ª¤¯É¬Íפ¬¤¢¤ë (socket(7) ¤ò¸«¤è)¡£

socklen_t ·¿

accept() ¤ÎÂè 3 °ú¤­¿ô¤Ï¡¢¤â¤È¤â¤È `int *' ¤ÈÀë¸À¤µ¤ì¤Æ¤¤¤¿ (libc4 ¤ä libc5, 4.x BSD, SunOS 4, SGI ¤Ê¤É¿¤¯¤Î¥·¥¹¥Æ¥à¤Ç¤Ï¤½¤¦¤Ê¤Ã¤Æ¤¤¤ë)¡£ POSIX.1g draft ɸ½à¤Ï¡¢ ¤³¤ì¤ò `size_t *' ¤ËÊѹ¹¤·¤è¤¦¤È¤·¡¢SunOS 5 ¤Ç¤Ï¤½¤¦Àë¸À¤µ¤ì¤Æ¤¤¤ë¡£ ¸å¤Ë POSIX drafts ¤Ë¤Ï `socklen_t *' ¤¬´Þ¤Þ¤ì¤ë¤è¤¦¤Ë¤Ê¤ê¡¢ Single Unix Specification ¤ä glibc2 ¤Ç¤Ï¤³¤Î¤è¤¦¤ËÀë¸À¤µ¤ì¤ë¤è¤¦¤Ë¤Ê¤Ã¤¿¡£ Linus Torvald ¤Îȯ¸À¤ò°úÍѤ¹¤ë:

¡Ö¤Þ¤È¤â¤Ê¥é¥¤¥Ö¥é¥ê¤òºî¤ê¤¿¤±¤ì¤Ð¡¢ "socklen_t" ¤Î¥µ¥¤¥º¤Ï int ¤ÈƱ¤¸¤Ë¤·¤Ê¤­¤ã¤Ê¤é¤Ê¤¤¡£ ¤µ¤â¤Ê¤¤¤È BSD ¥½¥±¥Ã¥ÈÁؤòÇ˲õ¤¹¤ë¤³¤È¤Ë¤Ê¤Ã¤Á¤ã¤¦¡£ POSIX ¤ÏºÇ½é¤³¤¤¤Ä¤ò size_t ¤Ë¤·¤¿¤ó¤Ç¡¢ ¤Ü¤¯¤ÏÈà¤é¤Ëʸ¶ç¤ò¤¬¤Ê¤ê¤¿¤Æ¤¿ (¿ʬ¤½¤¦¤¤¤¦¿Í¤Ï¾¤Ë¤â¤¤¤¿¤È»×¤¦¡£Â¿¤¯¤Ï¤Ê¤«¤Ã¤¿¤è¤¦¤À¤±¤É)¡£ ¤³¤¤¤Ä¤ò size_t ¤Ë¤¹¤ë¤Î¤Ï´°Á´¤Ë¤¤¤«¤ì¤Æ¤ë¡£ Î㤨¤Ð 64 ¥Ó¥Ã¥È¥¢¡¼¥­¥Æ¥¯¥Á¥ã¤Ç¤Ï¡¢ size_t ¤¬ "int" ¤ÈƱ¤¸¥µ¥¤¥º¤À¤Ê¤ó¤Æ¤³¤È¤Ï¤Û¤È¤ó¤É¤Ê¤¤¤«¤é¤Í¡£ ¤³¤Î¥µ¥¤¥º¤Ï "int" ¤È Ʊ¤¸¤Ç¤Ê¤­¤ã¡Ø¥À¥á¡Ù¤Ê¤ó¤À¡£ BSD ¥½¥±¥Ã¥È¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤Ã¤Æ¤¤¤¦¤Î¤Ï¤½¤¦¤¤¤¦¤â¤Î¤Ê¤ó¤À¤«¤é¡£ ¤Þ¤¢¤È¤â¤«¤¯ POSIX ¤Î¿Í¤¿¤Á¤â¡¢ "socklen_t" ¤òºî¤ë¤È¤¤¤¦²ò·èºö¤ò¤Ê¤ó¤È¤«¤Ò¤Í¤ê½Ð¤·¤¿¡£ ¤½¤â¤½¤âºÇ½é¤«¤éÊü¤Ã¤Æ¤ª¤±¤ÐÎɤ«¤Ã¤¿¤ó¤À¤¬¡¢ ¤¤¤¸¤Ã¤Á¤ã¤Ã¤¿°Ê¾å¡¢ ̾Á°ÉÕ¤­¤Î·¿¤ò»ý¤¿¤»¤Ê¤­¤ã¤Ê¤é¤Ê¤¤¡¢¤È»×¤Ã¤¿¤ß¤¿¤¤¤À¤Í¡£ ¤Ê¤ó¤Ç¤«¤Ï¤ï¤«¤ó¤Ê¤¤¤±¤É (¤­¤Ã¤ÈºÇ½é¤Ë¤ä¤Ã¤Á¤Þ¤Ã¤¿Çϼ¯¤Ê´Ö°ã¤¤¤Ç´é¤ò¤Ä¤Ö¤·¤¿¤¯¤Ê¤«¤Ã¤¿¤«¤é¡¢ ¤³¤Ã¤½¤ê̾Á°¤òÉÕ¤±Âؤ¨¤Æ¼«Ê¬¤¿¤Á¤ÎÂ缺ÇÔ¤ò¤´¤Þ¤«¤½¤¦¤È¤·¤¿¤ó¤À¤í¤¦)¡£¡×

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bind(2) »²¾È¡£

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bind(2), connect(2), listen(2), select(2), socket(2)