socket

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

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Section: 2 (Appels système)

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socket - ÄÌ¿®¤Î¤¿¤á¤ÎüÅÀ(endpoint)¤òºîÀ®¤¹¤ë

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

int socket(int domain, int type, int protocol);

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socket() ¤ÏÄÌ¿®¤Î¤¿¤á¤ÎüÅÀ(endpoint)¤òºîÀ®¤·¡¢¥Ç¥£¥¹¥¯¥ê¥×¥¿¡¼(descriptor)¤òÊÖ¤¹¡£

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PF_UNIX, PF_LOCAL ¥í¡¼¥«¥ëÄÌ¿® unix(7)
PF_INET IPv4 ¥¤¥ó¥¿¡¼¥Í¥Ã¥È¡¦¥×¥í¥È¥³¥ë ip(7)
PF_INET6 IPv6 ¥¤¥ó¥¿¡¼¥Í¥Ã¥È¡¦¥×¥í¥È¥³¥ë ipv6(7)
PF_IPX IPX - Novell ¥×¥í¥È¥³¥ë
PF_NETLINK ¥«¡¼¥Í¥ë¡¦¥æ¡¼¥¶¡¦¥Ç¥Ð¥¤¥¹ netlink(7)
PF_X25 ITU-T X.25 / ISO-8208 ¥×¥í¥È¥³¥ë x25(7)
PF_AX25 ¥¢¥Þ¥Á¥å¥¢ÌµÀþ AX.25 ¥×¥í¥È¥³¥ë
PF_ATMPVC À¸¤Î ATM PVC ¤Ë¥¢¥¯¥»¥¹¤¹¤ë
PF_APPLETALK ¥¢¥Ã¥×¥ë¥È¡¼¥¯ ddp(7)
PF_PACKET Äã¥ì¥Ù¥ë¤Î¥Ñ¥±¥Ã¥È¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹ packet(7)

¥½¥±¥Ã¥È¤Ï type ¤Ç»ØÄꤵ¤ì¤ë·¿¤ò»ý¤Á¡¢¤½¤ì¤ÏÄÌ¿®Êý¼°(semantics)¤ò»ØÄꤹ¤ë¡£ ÄêµÁ¤µ¤ì¤Æ¤¤¤ë·¿¤Ï¸½ºß°Ê²¼¤ÎÄ̤ꡣ

SOCK_STREAM
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SOCK_DGRAM
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SOCK_SEQPACKET
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SOCK_RAW
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SOCK_RDM
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SOCK_PACKET
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protocol ¤Ï¥½¥±¥Ã¥È¤Ë¤è¤Ã¤Æ»ÈÍѤµ¤ì¤ë¸ÇÍ­¤Î¥×¥í¥È¥³¥ë¤ò»ØÄꤹ¤ë¡£Ä̾綠¤ì¤¾¤ì¤Î ¥½¥±¥Ã¥È¤Ï¡¢Í¿¤¨¤é¤ì¤¿¥×¥í¥È¥³¥ë¡¦¥Õ¥¡¥ß¥ê¤Î¼ïÎऴ¤È¤Ë°ì¤Ä¤Î¥×¥í¥È¥³¥ë¤Î¤ß¤ò ¥µ¥Ý¡¼¥È¤¹¤ë¡£ ¤½¤Î¾ì¹ç¤Ï protocol ¤Ë 0 ¤ò»ØÄê¤Ç¤­¤ë¡£ ¤·¤«¤·¡¢Â¿¤¯¤Î¥×¥í¥È¥³¥ë¤¬Â¸ºß¤·¤Æ¤â¤«¤Þ¤ï¤Ê¤¤¡£ ¤³¤Î¾ì¹ç¤Ë¤Ï¤³¤ÎÊýË¡¤Ë¤è¤ê¸ÇÍ­¤Î¥×¥í¥È¥³¥ë¤ò»ØÄꤹ¤ëɬÍפ¬¤¢¤ë¡£ »ÈÍѤµ¤ì¤ë¥×¥í¥È¥³¥ëÈÖ¹æ¤ÏÄÌ¿®¤Î¹Ô¤Ê¤ï¤ì¤ë``ÄÌ¿®¥É¥á¥¤¥ó''¤Ë ¸ÇÍ­¤Ç¤¢¤ë; protocols(5) ¤ò»²¾È¤¹¤ë¤³¤È¡£ ¥×¥í¥È¥³¥ë̾¤ò¤É¤¦¤ä¤Ã¤Æ¥×¥í¥È¥³¥ëÈÖ¹æ¤ËÂбþ¤µ¤»¤ë¤«¤Ë¤Ä¤¤¤Æ¤Ï getprotoent(3) ¤ò»²¾È¤¹¤ë¤³¤È¡£

SOCK_STREAM ·¿¤Î¥½¥±¥Ã¥È¤Ï¥Ñ¥¤¥×¤Î¤è¤¦¤ÊÁ´Æó½Å¥Ð¥¤¥È¡¦¥¹¥È¥ê¡¼¥à¤Ç¤¢¤ë¡£ ¤³¤ì¤é¤Ï¥ì¥³¡¼¥É¶­³¦¤òÊݸ¤·¤Ê¤¤¡£ ¥¹¥È¥ê¡¼¥à¤Ï¡¢¥½¥±¥Ã¥È¤¬¥Ç¡¼¥¿¤òÁ÷¤Ã¤¿¤ê¼õ¤±¤¿¤ê¤¹¤ëÁ°¤Ë Àܳ¤µ¤ì¤¿ ¾õÂ֤ˤʤäƤʤ±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£Â¾¤Î¥½¥±¥Ã¥È¤Ø¤ÎÀܳ¤Ï connect(2) ¥³¡¼¥ë¤Ë¤è¤Ã¤Æ¹Ô¤Ê¤ï¤ì¤ë¡£°ìÅÙÀܳ¤·¤¿¤é¥Ç¡¼¥¿¤Ï read(2) ¤È write(2) ¥³¡¼¥ë¤ä send(2) ¤È recv(2) ¥³¡¼¥ë¤ÎÊѼï¤ò»ÈÍѤ·¤ÆžÁ÷¤Ç¤­¤ë¡£ ¥»¥Ã¥·¥ç¥ó¤¬´°Î»¤·¤¿¤é close(2) ¤¬¹Ô¤Ê¤ï¤ì¤ë¡£ÂÓ°è³°¥Ç¡¼¥¿¤ÎžÁ÷¤â send(2) ¤Ëµ­½Ò¤µ¤ì¤Æ¤ª¤ê¡¢ ¼õ¿®¤â recv(2) ¤Ëµ­½Ò¤µ¤ì¤Æ¤¤¤ë¡£

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