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基于Visual C++的Winsock API研究

时间:2025/3/13作者:未知来源:盾怪网教程人气:

[摘要]iPort == 0 )  return ERR_BADPARAM; hostent *hostEnt = NULL; long lIPAddress = 0; hostEnt = gethostb...
iPort == 0 )
  return ERR_BADPARAM;
 hostent *hostEnt = NULL;
 long lIPAddress = 0;
 hostEnt = gethostbyname( strRemote );//根据计算机名得到该计算机的相关内容;
 if( hostEnt != NULL )
 {
  lIPAddress = ((in_addr*)hostEnt->h_addr)->s_addr;
  m_sockaddr.sin_addr.s_addr = lIPAddress;
 }
 else
 {
  m_sockaddr.sin_addr.s_addr = inet_addr( strRemote );
 }
 m_sockaddr.sin_family = AF_INET;
 m_sockaddr.sin_port = htons( iPort );
 if( connect( m_hSocket, (SOCKADDR*)&m_sockaddr, sizeof( m_sockaddr ) ) == SOCKET_ERROR )
 {
  set_LastError( "connect() failed", WSAGetLastError() );
  return ERR_WSAERROR;
 }
 return ERR_SUCCESS;
}
///////////////////////////////////////////////////////
int CMySocket::Bind( char* strIP, unsigned int iPort )//绑定函数;
{
 if( strlen( strIP ) == 0

关键词:基于Visual C++的Winsock API研究




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