Question

How to get IP address in C

Answer 1

#include <stdio.h>
#include <stdlib.h> 
 
int main() { 
    system("C:\\Windows\\System32\\ipconfig");
 
    return(0);
}
 
 
/*
run:
  
Windows IP Configuration
 
 
Ethernet adapter Ethernet:
 
   Connection-specific DNS Suffix  . :
   Link-local IPv6 Address . . . . . : ae00::6010:a000:5300:7101%3
   IPv4 Address. . . . . . . . . . . : 123.123.1.12
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 123.123.1.1
 
*/

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Answer 2

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

int main() {
   execl("c:\\windows\\system32\\ipconfig", "ipconfig", (char *)0);
   
   return 0;
}           
              
              
/*
run:
              
Windows IP Configuration


Ethernet adapter Ethernet:

   Connection-specific DNS Suffix  . :
   Link-local IPv6 Address . . . . . : ae00::6010:a000:5300:7101%3
   IPv4 Address. . . . . . . . . . . : 123.123.1.12
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 123.123.1.1
         
*/

 

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