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Full Discussion: I.p address of machine
Top Forums Programming I.p address of machine Post 302740083 by Corona688 on Wednesday 5th of December 2012 01:30:37 PM
Old 12-05-2012
Code:
#include <stdio.h>

int main(void)
{
        char buf[512];
        int a, b, c, d;

        FILE *fp=popen("/sbin/ifconfig eth0", "r");

        if(fp == NULL) return(1);

        while(fgets(buf, 512, fp) != NULL)
        {
                if(sscanf(buf, " inet addr:%d.%d.%d.%d", &a, &b, &c, &d)==4)
                        printf("%d.%d.%d.%d\n", a, b, c, d);
        }

        pclose(fp);

        return(0);
}

These 2 Users Gave Thanks to Corona688 For This Post:
console shellwe
 

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LEARN ABOUT FREEBSD

wake

WAKE(8) 						    BSD System Manager's Manual 						   WAKE(8)

NAME

     wake -- send Wake on LAN frames to hosts on a local Ethernet network

SYNOPSIS

     wake [interface] lladdr [lladdr ...]

DESCRIPTION

     The wake program is used to send Wake on LAN (WoL) frames over a local Ethernet network to one or more hosts using their link layer (hard-
     ware) addresses.  WoL functionality is generally enabled in a machine's BIOS and can be used to power on machines from a remote system with-
     out having physical access to them.

     interface is an Ethernet interface of the local machine and is used to send the Wake on LAN frames over it.  If there is only one Ethernet
     device available that is up and running, then the interface argument can be omitted.  lladdr is the link layer address of the remote machine.
     This can be specified as the actual hardware address (six hexadecimal numbers separated by colons) or as a hostname entry in /etc/ethers.
     wake accepts multiple lladdr addresses.  Link layer addresses can be determined and set using ifconfig(8).

FILES

     /etc/ethers  Ethernet host name data base.

SEE ALSO

     ethers(5), ifconfig(8)

AUTHORS

     wake was written by Marc Balmer <marc@msys.ch>.

BSD
								 December 27, 2009							       BSD
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