gethostbyaddr

gethostbyaddr ÇÔ¼ö´Â ³×Æ®¿÷ ¾îµå·¹½º¿¡ ´ëÀÀµÇ´Â È£½ºÆ® Á¤º¸¸¦ ¹ÝȯÇÏ´Â ÇÔ¼öÀÔ´Ï´Ù.

struct HOSTENT FAR * gethostbyaddr (
     const char FAR *
addr,
     int
len,
     int
type
);

 

Parameters

addr
[ÀÔ·Â] ³×Æ®¿÷ ¹ÙÀÌÆ® ¿À´õÀÇ ¾îµå·¹½º Æ÷ÀÎÅÍ (ÁÖÀÇ:ÂÀ Ç¥±â¹ýÀÇ ½ºÆ®¸µÀÌ ¾Æ´Õ´Ï´Ù.)

len
[ÀÔ·Â] ¾îµå·¹½ºÀÇ ±æÀ̸¦ ÁöÁ¤ ÁöÁ¤ÇÕ´Ï´Ù. ( 32ºñÆ® IP ¾îµå·¹½ºÀÇ °æ¿ì Ç×»ó 4 )

type
[ÀÔ·Â] ¾îµå·¹½ºÀÇ ÇüÅ ( ex : PF_INET )

Remarks

gethostbyaddr ÇÔ¼ö´Â ÁÖ¾îÁø ³×Æ®¿÷ ¾îµå·¹½º¿Í ´ëÀÀµÇ´Â À̸§°ú ÁÖ¼Ò¸¦ °¡Áø HOSTENT ±¸Á¶Ã¼ÀÇ Æ÷ÀÎÅ͸¦ ¸®ÅÏÇÕ´Ï´Ù. ¸ðµç ½ºÆ®¸µÀº NULL·Î ³¡³ª´Â ¹®ÀÚ ÀÔ´Ï´Ù.

Return Values

¾Æ¹«·± ¿¡·¯°¡ ¹ß»ýµÇÁö ¾Ê¾ÒÀ¸¸é, HOSTENT ±¸Á¶Ã¼ÀÇ Æ÷ÀÎÅ͸¦ ¸®ÅÏÇÕ´Ï´Ù. ¿¡·¯°¡ ¹ß»ýÇÑ°æ¿ì¿¡´Â NULL Æ÷ÀÎÅ͸¦ ¸®ÅÏÇÕ´Ï´Ù. ±×¿Ü Ưº°ÇÑ ¿¡·¯Äڵ带 ¾ò°íÀÚ ÇÒ¶§´Â WSAGetLastError ÇÔ¼ö¸¦ È£ÃâÇÏ¿© ¿¡·¯»çÇ×À» °ËÃâÇØ ³¾ ¼ö ÀÖ½À´Ï´Ù.

Error Codes

WSANOTINITIALISED

ÀÌ ÇÔ¼ö¸¦ »ç¿ëÇϱâ ÀÌÀü¿¡ WSAStartup ÇÔ¼ö¸¦ ¼º°øÀûÀ¸·Î È£ÃâÇØ¾ß ÇÕ´Ï´Ù.

WSAENETDOWN

³×Æ®¿÷ ¼­ºê ½Ã½ºÅÛ¿¡¼­ ¿¡·¯°¡ ³µ½À´Ï´Ù.

WSAHOST_NOT_FOUND

¿Ã¹Ù¸¥ È£½ºÆ® ÀÀ´äÀ» ¹ß°ß ÇÒ ¼ö ¾ø½À´Ï´Ù.

WSATRY_AGAIN

¿Ã¹Ù¸¥ È£½ºÆ®°¡ ¹ß°ßµÇÁö ¾Ê°Å³ª ¼­¹ö¿¡¼­ ¿¡·¯°¡ ³µ½À´Ï´Ù.

WSANO_RECOVERY

ȸº¹ÇÒ ¼ö ¾ø´Â ¿¡·¯°¡ ¹ß»ýÇß½À´Ï´Ù.

WSANO_DATA

¿äûÇÑ ÇüÅÂÀÇ µ¥ÀÌÅÍ°¡ ±â·ÏµÇÁö ¾Ê¾Ò½À´Ï´Ù.

WSAEINPROGRESS

ºí·°Å· À©¼Ó v1.1ÀÌ ÁøÇà»óÅ¿¡ Àְųª, ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ°¡ ¾ÆÁ÷ ÄݹéÇÔ¼ö¸¦ ÁøÇàÇÏ°í ÀÖ½À´Ï´Ù.

WSAEAFNOSUPPORT

¸Å°³º¯¼öÀÇ typeÀÌ À©¼Ó¿¡¼­ Áö¿øµÇÁö ¾Ê´Â ÇüÅÂÀÔ´Ï´Ù.

WSAEFAULT

addr ¸Å°³º¯¼ö°¡ »ç¿ëÀÚ ÁÖ¼Ò °ø°£¿¡¼­ ¿Ã¹Ù¸¦ ÇüÅ°¡ ¾Æ´Ï°Å³ª, len ¸Å°³º¯¼ö°¡ ³Ê¹« ÀÛ½À´Ï´Ù.

WSAEINTR

ºí·°Å· À©¼Ó v1.1 ÀÌ WSACancelBlockingCall ÇÔ¼ö¿¡¼­ Ãë¼ÒµÇ¾ú½À´Ï´Ù.

QuickInfo

Windows NT : »ç¿ë°¡´É
Windows : »ç¿ë°¡´É
Windows CE : ¹öÁ¯ 1.0 ±×¸®°í ±×ÀÌÈÄÀÇ ¹öÁ¯¿¡¼­ »ç¿ë°¡´É
Header :
          Win16/32 : winsock.h
          Win32-II : winsock2.h
Import Library :
          Win16 : winsock.lib
          Win32 : wsock32.lib
          Win32-II : ws2_32.lib

See Also

overview, gethostbyname, HOSTENT, WSAAsyncGetHostByAddr