WSA

-인자로 전달한 문자열 포인터에 호스트 IP 주소를 저장한다. #include #include void GetHostIP(char* ip){         WORD wVersionRequested;         WSADATA wsaData;         char name[255];         PHOSTENT hostinfo;         wVersionRequested = MAKEWORD(2,0);         if(WSAStartup(wVersionRequested,&wsaData) == 0){                 if(gethostname(name,sizeof(name)) ==0){                         if((hostinfo = gethostbyname(name)) != NULL){                                 strcpy(ip,inet_ntoa(*(struct in_addr*)*hostinfo->h_addr_list));                         }                 }         }         WSACleanup(); }