der_anfänger
10-06-2006, 15:46
Code:
#include <iostream>
#include <winsock.h>
int getdns(int, char **)
{
char ac[80];
if (gethostname(ac, sizeof(ac)) == SOCKET_ERROR) {
std::cerr << "Error " << WSAGetLastError() <<
" when getting local host name." << std::endl;
return 1;
}
std::cout << "Host name is " << ac << "." << std::endl;
struct hostent *phe = gethostbyname(ac);
if (phe == 0) {
std::cerr << "Yow! Bad host lookup." << std::endl;
return 1;
}
for (int i = 0; phe->h_addr_list[i] != 0; ++i) {
struct in_addr addr;
memcpy(&addr, phe->h_addr_list[i], sizeof(struct in_addr));
std::cout << "Address " << i << ": " << inet_ntoa(addr) << std::endl;
}
return 0;
}
int main(int argc, char *argv[])
{
WSAData wsaData;
if (WSAStartup(MAKEWORD(1, 1), &wsaData) != 0) {
return 255;
}
int retval = getdns(argc, argv);
WSACleanup();
return retval;
}
Natürlich musst du gegen die wsock32.lib linken!
Könnt ihr mir erklären was der jenige mit linken meint.
gruss
coder
#include <iostream>
#include <winsock.h>
int getdns(int, char **)
{
char ac[80];
if (gethostname(ac, sizeof(ac)) == SOCKET_ERROR) {
std::cerr << "Error " << WSAGetLastError() <<
" when getting local host name." << std::endl;
return 1;
}
std::cout << "Host name is " << ac << "." << std::endl;
struct hostent *phe = gethostbyname(ac);
if (phe == 0) {
std::cerr << "Yow! Bad host lookup." << std::endl;
return 1;
}
for (int i = 0; phe->h_addr_list[i] != 0; ++i) {
struct in_addr addr;
memcpy(&addr, phe->h_addr_list[i], sizeof(struct in_addr));
std::cout << "Address " << i << ": " << inet_ntoa(addr) << std::endl;
}
return 0;
}
int main(int argc, char *argv[])
{
WSAData wsaData;
if (WSAStartup(MAKEWORD(1, 1), &wsaData) != 0) {
return 255;
}
int retval = getdns(argc, argv);
WSACleanup();
return retval;
}
Natürlich musst du gegen die wsock32.lib linken!
Könnt ihr mir erklären was der jenige mit linken meint.
gruss
coder