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DWORD GetLocalAddr(char* interface)
{
struct ifreq ifr;
int fd;
int err;
unsigned long ip;
strcpy(ifr.ifr_name, interface);
fd = socket(AF_INET, SOCK_DGRAM, 0);
err = ioctl(fd, SIOCGIFADDR, &ifr);
if (err)
{
//perror("ioctl");
close(fd);
return 0;
}
close(fd);
memcpy(&ip,ifr.ifr_addr.sa_data + 2,4);
return ip;
}
µ÷ÓÃÈç
DWORD ip=GetLocalAddr("eth0");
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