How to get MAC address using C program

2006-05-30 Thread girish girishlc 
  Pls any body tell me how to find out a MAC address in a program,
   
   
  Because I want to generate pseudo random number of IP address of some range 
for that MAC address and IP range will be the input and it should give IP 
address according to MAC address as a seed , but if I use difft MAC address 
(i,e for difft host ) it should give difft IP address,
   
   
  But if I give first MAC address it should give the same old IP address, 
   
   
  So pls send me answer as soon as possible code in C and also if possible 
ALGORITHMS pls its very urgent
   
   
  Thank you, 
  Regards 
  Girish.L.C
  [EMAIL PROTECTED]


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How to get MAC address using C program

2004-11-10 Thread Dennis George 
Hi,
 
Can anybody help me out to retrieve MAC address of my machine... using a C 
program  I gave it a try using ioctl but not getting the correct 
result.. Following is my code..
 
int main()
{
..
struct ifr_req ifr ;
 
   strcpy(ifr.ifr_name, "rl0");
if( ioctl(s, SIOCGIFADDR, &ifr) < 0 ) {
cout << "Error" << endl ;
return 0 ;
}
 
printf("ADDR(%s) = ") ;
for(int i = 0; i < 6; i++) {
printf("%x :", ifr.ifr_addr.sa_data[i] ) ;
}
 

its not printing the correct result
 
Thanks in advance
Dennis

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Re: How to get MAC address using C program

2006-05-31 Thread Jim Stapleton 

Could you exec() ifconfig?

On 5/30/06, girish girishlc <[EMAIL PROTECTED]> wrote:

  Pls any body tell me how to find out a MAC address in a program,


  Because I want to generate pseudo random number of IP address of some range 
for that MAC address and IP range will be the input and it should give IP 
address according to MAC address as a seed , but if I use difft MAC address 
(i,e for difft host ) it should give difft IP address,


  But if I give first MAC address it should give the same old IP address,


  So pls send me answer as soon as possible code in C and also if possible 
ALGORITHMS pls its very urgent


  Thank you,
  Regards
  Girish.L.C
  [EMAIL PROTECTED]


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Re: How to get MAC address using C program

2006-05-31 Thread Norberto Meijome 
On Wed, 31 May 2006 07:43:44 -0400
"Jim Stapleton" <[EMAIL PROTECTED]> wrote:

> Could you exec() ifconfig?

at the risk of stating the bleeding obvious, maybe checking the code in
ifconfig would show exactly what the original poster asked... you gotta love
OpenSource ;)
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