请问 c语言怎样获取计算机ip地址啊

Python019

请问 c语言怎样获取计算机ip地址啊,第1张

struct in_addr addr

hostent *pHost = ::gethostbyname("localhost")//在此写入你自己电脑主机名字

switch (pHost->h_addrtype) {

case AF_INET:

printf("internet网络地址类型(AF_INET)\n")

break

case AF_INET6:

printf("internet网络地址类型(AF_INET)\n")

break

case AF_NETBIOS:

printf("netbios网络地址类型(AF_NETBIOS)\n")

break

default:

printf("其它地址类型 %d\n", pHost->h_addrtype)

break

}

printf("\t地址长度: %d(字节)\n", pHost->h_length)

addr.s_addr = *(u_long *) pHost->h_addr_list[0]

printf("\t第一个IP地址为: %s\n", inet_ntoa(addr))

看你要获得那里的ip地址

如果是本及机的话，就使用windows的API啊

#include "winsock.h"

WORD wVersionRequested

WSADATA wsaData

char name[255]

char* 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)

}

}

// ip is ready

WSACleanup( )

}