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inet
Langue: ja
Version: 2001-07-25 (openSuse - 09/10/07)
Section: 3 (Bibliothèques de fonctions)
̾Á°
inet_aton, inet_addr, inet_network, inet_ntoa, inet_makeaddr, inet_lnaof, inet_netof - ¥¤¥ó¥¿¡¼¥Í¥Ã¥È¥¢¥É¥ì¥¹Áàºî¥ë¡¼¥Á¥ó½ñ¼°
#include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> int inet_aton(const char *cp, struct in_addr *inp); in_addr_t inet_addr(const char *cp); in_addr_t inet_network(const char *cp); char *inet_ntoa(struct in_addr in); struct in_addr inet_makeaddr(int net, int host); in_addr_t inet_lnaof(struct in_addr in); in_addr_t inet_netof(struct in_addr in);
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inet_aton() ¤Ï¡¢¥¤¥ó¥¿¡¼¥Í¥Ã¥È¥Û¥¹¥È¤Î¥¢¥É¥ì¥¹ cp ¤ò ¡Ö¿ôÃͤȥɥåȡ׵ˡ¤«¤é¥Ð¥¤¥Ê¥êÃͤØÊÑ´¹¤¹¤ë¡£ ·ë²Ì¤Ï inp ¤¬»Ø¤·¤Æ¤¤¤ë¹½Â¤ÂΤËÂåÆþ¤µ¤ì¤ë¡£ ÊÖ¤êÃͤϡ¢»ØÄꤷ¤¿¥¢¥É¥ì¥¹¤¬ÀµÅö¤Ê¤é¤Ð 0 °Ê³°¡¢ÉÔÅö¤Ê¤é 0 ¤Ç¤¢¤ë¡£inet_addr() ´Ø¿ô¤Ï¡¢¥¤¥ó¥¿¡¼¥Í¥Ã¥È¥Û¥¹¥È¤Î¥¢¥É¥ì¥¹ cp ¤ò ¡Ö¿ôÃͤȥɥåȡ׵ˡ¤«¤é¥Í¥Ã¥È¥ï¡¼¥¯¥Ð¥¤¥È¥ª¡¼¥À¤Ç¤Î¥Ð¥¤¥Ê¥êÃÍ¤Ø ÊÑ´¹¤·¤ÆÊÖ¤¹¡£°ú¤¿ô¤¬ÉÔÅö¤Ê¤é¤Ð INADDR_NONE (ÉáÄÌ¤Ï -1) ¤¬Ê֤롣 ¤³¤Î´Ø¿ô¤ÏľÁ°¤ÇÀâÌÀ¤·¤¿ inet_aton() ¤ËÂФ·¤Æ¡¢»þÂåÃÙ¤ì¤Ê¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤Ç¤¢¤ë¡£¤Ê¤¼¤Ê¤é -1 ¤ÏÀµÅö¤Ê ¥¢¥É¥ì¥¹ (255.255.255.255) ¤À¤«¤é¤Ç¤¢¤ë¡£ inet_aton() ¤ÎÊý¤¬¡¢¥¨¥é¡¼¤¬Ê֤뤳¤È¤ò¤¹¤Ã¤¤ê¤È¼¨¤¹¤³¤È¤¬¤Ç¤¤ë¡£
inet_network() ´Ø¿ô¤Ï¡¢ ¡Ö¿ôÃͤȥɥåȡ׵ˡ¤Îʸ»úÎó¤Ç¤¢¤ë cp ¤«¤é¡¢ ¥¤¥ó¥¿¡¼¥Í¥Ã¥È¥¢¥É¥ì¥¹¤È¤·¤Æ»ÈÍѤǤ¤ë¿ôÃͤò¡¢ ¥Û¥¹¥È¥Ð¥¤¥È¥ª¡¼¥À¡¼¤Ç¼è¤ê½Ð¤¹¡£ °ú¤¿ô¤¬ÉÔÅö¤Ê¤é -1 ¤¬ÊÖ¤µ¤ì¤ë¡£
inet_ntoa() ´Ø¿ô¤Ï¡¢ ¥Í¥Ã¥È¥ï¡¼¥¯¥Ð¥¤¥È¥ª¡¼¥À¤Ç¤Î¥¤¥ó¥¿¡¼¥Í¥Ã¥È¥Û¥¹¥È¥¢¥É¥ì¥¹ in¤ò ¡Ö¿ôÃͤȥɥåȡ׵ˡ¤ØÊÑ´¹¤¹¤ë¡£Ê¸»úÎó¤Ï ÀÅŪ¤Ë³äÅö¤Æ¤é¤ì¤¿¥Ð¥Ã¥Õ¥¡¤ØÊÖ¤ë¤Î¤Ç¡¢ ¤â¤¦ 1²ó¤³¤Î´Ø¿ô¤ò¸Æ¤Ö¤Èʸ»úÎó¤Ï¾å½ñ¤¤µ¤ì¤ë¡£
inet_makeaddr() ´Ø¿ô¤Ï¡¢¥Í¥Ã¥È¥ï¡¼¥¯Éô net ¤È¡¢ ¤½¤Î¥Í¥Ã¥È¥ï¡¼¥¯¤ÎÃæ¤Ç¤Î¥Û¥¹¥È¤Î¥í¡¼¥«¥ë¥¢¥É¥ì¥¹ host ¤ò¤¯¤Ã¤Ä¤±¤Æ¡¢ ¥¤¥ó¥¿¡¼¥Í¥Ã¥È¥Û¥¹¥È¤Î¥¢¥É¥ì¥¹¤òºî¤ë¡£ÊÖ¤êÃͤϥͥåȥ¥¯¥Ð¥¤¥È¥ª¡¼¥À¡¢ °ú¤¿ô host¡¢net ¤Ï¥Û¥¹¥È¥Ð¥¤¥È¥ª¡¼¥À¤Ç¤¢¤ë¡£
inet_lnaof() ´Ø¿ô¤Ï¡¢¥¤¥ó¥¿¡¼¥Í¥Ã¥È¥¢¥É¥ì¥¹ in ¤Î¥í¡¼¥«¥ë¥Û¥¹¥ÈÉô¤òÊÖ¤¹¡£¤³¤ÎÊÖ¤êÃͤϥۥ¹¥È¥Ð¥¤¥È¥ª¡¼¥À¤Ç¤¢¤ë¡£
inet_netof() ´Ø¿ô¤Ï¡¢¥¤¥ó¥¿¡¼¥Í¥Ã¥È¥¢¥É¥ì¥¹ in ¤Î¥Í¥Ã¥È¥ï¡¼¥¯Éô¤òÊÖ¤¹¡£¤³¤ÎÊÖ¤êÃͤϥۥ¹¥È¥Ð¥¤¥È¥ª¡¼¥À¤Ç¤¢¤ë¡£
inet_ntoa(), inet_makeaddr(), inet_lnoaf(), inet_netof() ¤Ç»ÈÍѤ¹¤ë¹½Â¤ÂÎ in_addr ¤Ï¡¢netinet/in.h ¤Ç¼¡¤Î¤è¤¦¤ËÄêµÁ¤µ¤ì¤Æ¤¤¤ë:
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struct in_addr { unsigned long int s_addr; }
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4.3BSD. inet_addr(), inet_aton(), inet_ntoa() ¤Ï POSIX.1-2001 ¤Çµ¬Äꤵ¤ì¤Æ¤¤¤ë¡£Ãí°Õ
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gethostbyname(3), getnetent(3), inet_ntop(3), inet_pton(3), hosts(5), networks(5)Contenus ©2006-2024 Benjamin Poulain
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