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  • 获得本机主机名和IP地址(转)

    假设你有了名为My的对话框工程.有一个按钮并有响应的程序:如OnButton1();
    BOOL CListCtrl1Dlg::OnInitDialog()
    {
    CDialog::OnInitDialog();
    AfxSocketInit(NULL);//支持Socket.若在向导是没选Support Socket,这就的加.还要加#include <afxsock.h>在StdAfx.h中.

    .......
    // Add "About..." menu item to system menu.

    // IDM_ABOUTBOX must be in the system command range.

    // TODO: Add extra initialization here

    return TRUE; // return TRUE unless you set the focus to a control
    }

    void CListCtrl1Dlg::OnButton1()
    {
    WORD wVersionRequested;
    WSADATA wsaData;
    char name[255];
    CString ip;
    PHOSTENT hostinfo;
    wVersionRequested = MAKEWORD( 2, 0 );

    if ( WSAStartup( wVersionRequested, &wsaData ) == 0 )
    {

    if( gethostname ( name, sizeof(name)) == 0)
    {
    if((hostinfo = gethostbyname(name)) != NULL)
    {
    ip = inet_ntoa (*(struct in_addr *)*hostinfo->h_addr_list);
    }
    }

    WSACleanup( );
    }
    AfxMessageBox(name);//name里是本机名
    AfxMessageBox(ip); //ip中是本机IP
    }
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  • 原文地址:https://www.cnblogs.com/buffer/p/1280077.html
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