linux fping
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-d:½âÎöÖ÷»úÃû¡£
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-g: ·¶Î§¡£
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$cat a
192.168.1.1
192.168.1.2
192.168.1.3
......
192.168.1.39
$fping -f -a a
192.168.1.1 is alive
192.168.1.2 is unreachable
192.168.1.3 is unreachable
192.168.1.4 is unreachable
192.168.1.5 is unreachable
192.168.1.6 is unreachable
$fping -g 192.168.1.1 192.168.1.255
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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 ......