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»ñÈ¡IPµÄC ´úÂë

»ñÈ¡IPµÄC ´úÂë #include<stdio.h> #include<winsock2.h> #pragma comment(lib,"ws2_32.lib") void CheckIP(void) //¶¨ÒåCheckIP£¨£©º¯Êý£¬ÓÃÓÚ»ñÈ¡±¾»úIPµØÖ· { WSADATA wsaData; char name[255]; //¶¨ÒåÓà ...
»ñÈ¡IPµÄC ´úÂë
#include<stdio.h>
#include<winsock2.h>
#pragma comment(lib,"ws2_32.lib")
void CheckIP(void) //¶¨ÒåCheckIP£¨£©º¯Êý£¬ÓÃÓÚ»ñÈ¡±¾»úIPµØÖ·
{
WSADATA wsaData;
char name[255]; //¶¨ÒåÓÃÓÚ´æ·Å»ñµÃµÄÖ÷»úÃûµÄ±äÁ¿
char *ip; //¶¨ÒåIPµØÖ·±äÁ¿
PHOSTENT hostinfo;
//µ÷ÓÃMAKEWORD£¨£©»ñµÃWinsock°æ±¾µÄÕýÈ·Öµ£¬ÓÃÓÚ¼ÓÔØWinsock¿â
if ( WSAStartup( MAKEWORD(2,0), &wsaData ) == 0 ) {
//ÏÖÔÚÊǼÓÔØWinsock¿â£¬Èç¹ûWSAStartup£¨£©º¯Êý·µ»ØÖµÎª0£¬ËµÃ÷¼ÓÔØ³É¹¦£¬³ÌÐò¿ÉÒÔ¼ÌÐø
if( gethostname ( name, sizeof(name)) == 0) {
//Èç¹û³É¹¦µØ½«±¾µØÖ÷»úÃû´æ·ÅÈëÓÉname²ÎÊýÖ¸¶¨µÄ»º³åÇøÖÐ
if((hostinfo = gethostbyname(name)) != NULL) {
//ÕâÊÇ»ñÈ¡Ö÷»úÃû£¬Èç¹û»ñµÃÖ÷»úÃû³É¹¦µÄ»°£¬½«·µ»ØÒ»¸öÖ¸Õ룬ָÏòhostinfo£¬hostinfo
//ΪPHOSTENTÐ͵ıäÁ¿£¬ÏÂÃæ¼´½«Óõ½Õâ¸ö½á¹¹Ìå
ip = inet_ntoa (*(struct in_addr *)*hostinfo->h_addr_list);
//µ÷ÓÃinet_ntoa£¨£©º¯Êý£¬½«hostinfo½á¹¹±äÁ¿ÖеÄh_addr_listת»¯Îª±ê×¼µÄµã·Ö±íʾµÄIP
//µØÖ·£¨Èç192.168.0.1£©
printf("%s\n",ip);//Êä³öIPµØÖ·
}
}
WSACleanup( ); //Ð¶ÔØWinsock¿â£¬²¢ÊÍ·ÅËùÓÐ×ÊÔ´
} }
int main(void)
{
CheckIP();
return 0;
}
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