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#include <WinSock2.h> #include <iostream> using namespace std; #pragma comment(lib, "ws2_32.lib"); int main() { WSADATA wsaData; WORD sockVersion = MAKEWORD(2, 2); ::WSAStartup(sockVersion, &wsaData); char lv_name[50]; gethostname(lv_name, 50); hostent * lv_pHostent; lv_pHostent = (hostent *)malloc(sizeof(hostent)); if( NULL == (lv_pHostent = gethostbyname(lv_name))) { printf("get Hosrname Fail \n"); return 0; } SOCKADDR_IN lv_sa; lv_sa.sin_family = AF_INET; lv_sa.sin_port = htons(6000); memcpy(&lv_sa.sin_addr.S_un.S_addr, lv_pHostent->h_addr_list[0], lv_pHostent->h_length); printf("%s\n", inet_ntoa(lv_sa.sin_addr)); return 0; }