inet_pton

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Version: 2000-12-18 (openSuse - 09/10/07)

Section: 3 (Bibliothèques de fonctions)

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inet_pton - ¥Í¥Ã¥È¥ï¡¼¥¯¥¢¥É¥ì¥¹¹½Â¤ÂΤòÀ¸À®¤¹¤ë

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#include <sys/types.h>

#include <sys/socket.h>

#include <arpa/inet.h>



int inet_pton(int af, const char *src, void *dst);
 

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inet_pton(3) ¤Ï inet_addr(3) ´Ø¿ô¤ò³ÈÄ¥¤·¤ÆÊ£¿ô¤Î¥¢¥É¥ì¥¹¥Õ¥¡¥ß¥ê¡¼¤ò°·¤¨¤ë¤è¤¦¤Ë¤·¤¿¤â¤Î¤Ç¤¢¤ë¡£ º£¸å¤Ï inet_addr(3) ¤Ï»È¤ï¤º¡¢ inet_pton(3) ¤ò»È¤¦¤è¤¦¤Ë¤¹¤ë¤ÈÎɤ¤¤À¤í¤¦¡£ ¸½ºß¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤ë¥¢¥É¥ì¥¹¥Õ¥¡¥ß¥ê¡¼¤Ï°Ê²¼¤ÎÄ̤ê:

AF_INET
¤³¤Î¾ì¹ç src ¤Ï¥É¥Ã¥È¶èÀÚ¤ê 4 ʬ³ä·Á¼° "ddd.ddd.ddd.ddd" ¤Î IPv4 ¥Í¥Ã¥È¥ï¡¼¥¯¥¢¥É¥ì¥¹Ê¸»úÎó¤Ø¤Î¥Ý¥¤¥ó¥¿¤È¤ß¤Ê¤µ¤ì¤ë¡£ ¤³¤Î¥¢¥É¥ì¥¹¤Ï struct in_addr ¤ËÊÑ´¹¤µ¤ì¤Æ dst ¤Ë¥³¥Ô¡¼¤µ¤ì¤ë¡£ dst ¤Ï sizeof(struct in_addr) ¥Ð¥¤¥È¤ÎŤµ¤ò»ý¤¿¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
AF_INET6
¤³¤Î¾ì¹ç src ¤Ï IPv6 ¥Í¥Ã¥È¥ï¡¼¥¯¥¢¥É¥ì¥¹¤Îʸ»úÎó¤Ø¤Î¥Ý¥¤¥ó¥¿¤È¤ß¤Ê¤µ¤ì¤ë¡£ IPv6 ¥¢¥É¥ì¥¹¤Î·Á¼°¤Ï¤É¤ó¤Ê¤â¤Î¤Ç¤â¹½¤ï¤Ê¤¤¡£ ¤³¤Î¥¢¥É¥ì¥¹¤Ï struct in6_addr ¤ËÊÑ´¹¤µ¤ì¤Æ dst ¤Ë¥³¥Ô¡¼¤µ¤ì¤ë¡£ dst ¤Ï sizeof(struct in6_addr) ¥Ð¥¤¥È¤ÎŤµ¤ò»ý¤¿¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£

¸Å¤¤ 16 ¿Ê·Á¼°¤ä 8 ¿Ê·Á¼°¤Î¤¤¤¯¤Ä¤«¤Ï¡¢ AF_INET ¤Î¥¢¥É¥ì¥¹¤Ë»ØÄꤹ¤ë¤³¤È¤¬¤Ç¤­¤Ê¤¤ (inet_pton() ¤Ï¤³¤ì¤é¤Î·Á¼°¤òµñÈݤ¹¤ë)¡£

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af ¤¬¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤ë¥¢¥É¥ì¥¹¥Õ¥¡¥ß¥ê¡¼¤Ç¤Ê¤¤¾ì¹ç¤Ë¤Ï inet_pton() ¤ÏÉé¤ÎÃͤòÊÖ¤·¡¢ errno ¤Ë EAFNOSUPPORT ¤òÂåÆþ¤¹¤ë¡£ src ¤¬»ØÄꤵ¤ì¤¿¥¢¥É¥ì¥¹¥Õ¥¡¥ß¥ê¡¼¤ËÂФ¹¤ë Àµ¤·¤¤¥Í¥Ã¥È¥ï¡¼¥¯¥¢¥É¥ì¥¹É½µ­¤Ç¤Ê¤¤¾ì¹ç¤Ë¤Ï inet_pton() ¤Ï 0 ¤òÊÖ¤¹¡£ ¥Í¥Ã¥È¥ï¡¼¥¯¥¢¥É¥ì¥¹¤ÎÊÑ´¹¤ËÀ®¸ù¤·¤¿¾ì¹ç¤Ë¤Ï inet_pton() ¤ÏÀµ¤ÎÃͤòÊÖ¤¹¡£

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POSIX.1-2001.

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AF_INET6 ¤Ï IPv4 ¥¢¥É¥ì¥¹¤òǧ¼±¤·¤Ê¤¤¡£ ¤½¤Î¤è¤¦¤Ê¾ì¹ç¤Ë¤Ï IPv6 ¤ËÌÀ¼¨Åª¤Ë¥Þ¥Ã¥×¤µ¤ì¤¿ IPv4 ¥¢¥É¥ì¥¹¤ò src ¤ËÍ¿¤¨¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£

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inet_ntop(3)