Linux Certif

Toute la documentation sur la certification Linux LPI

byteorder

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htonl, htons, ntohl, ntohs - ¥Û¥¹¥È¥Ð¥¤¥È¥ª¡¼¥À¡¼¤È¥Í¥Ã¥È¥ï¡¼¥¯¥Ð¥¤¥È¥ª¡¼¥À¡¼¤Î´Ö¤ÇÃͤòÊÑ´¹¤¹¤ë

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#include <arpa/inet.h>



uint32_t htonl(uint32_t hostlong);



uint16_t htons(uint16_t hostshort);



uint32_t ntohl(uint32_t netlong);



uint16_t ntohs(uint16_t netshort);

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htonl() ´Ø¿ô¤Ï unsigned integer hostlong ¤ò ¥Û¥¹¥È¥Ð¥¤¥È¥ª¡¼¥À¡¼¤«¤é¥Í¥Ã¥È¥ï¡¼¥¯¥Ð¥¤¥È¥ª¡¼¥À¡¼¤ËÊÑ´¹¤¹¤ë¡£

htons() ´Ø¿ô¤Ï unsigned short integer hostshort ¤ò ¥Û¥¹¥È¥Ð¥¤¥È¥ª¡¼¥À¡¼¤«¤é¥Í¥Ã¥È¥ï¡¼¥¯¥Ð¥¤¥È¥ª¡¼¥À¡¼¤ËÊÑ´¹¤¹¤ë¡£

ntohl() ´Ø¿ô¤Ï unsigned integer netlong ¤ò ¥Í¥Ã¥È¥ï¡¼¥¯¥Ð¥¤¥È¥ª¡¼¥À¡¼¤«¤é¥Û¥¹¥È¥Ð¥¤¥È¥ª¡¼¥À¡¼¤ËÊÑ´¹¤¹¤ë¡£

ntohs() ´Ø¿ô¤Ï unsigned short integer netshort ¤ò ¥Í¥Ã¥È¥ï¡¼¥¯¥Ð¥¤¥È¥ª¡¼¥À¡¼¤«¤é¥Û¥¹¥È¥Ð¥¤¥È¥ª¡¼¥À¡¼¤ËÊÑ´¹¤¹¤ë¡£

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POSIX.1-2001.

¤¤¤¯¤Ä¤«¤Î¥·¥¹¥Æ¥à¤Ç¤Ï¡¢ <arpa/inet.h> ¤ÎÂå¤ï¤ê¤Ë <netinet/in.h> ¤ò¥¤¥ó¥¯¥ë¡¼¥É¤¹¤ëɬÍפ¬¤¢¤ë¡£

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gethostbyname(3), getservent(3)