Sun에서 mac address 얻어오기...

#include	<stdio.h>
#include	<unistd.h>
#include 	<string.h>
#include 	<stropts.h>
 
 
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
 
#include <arpa/inet.h>
 
#define MAX_NIC 10
 
void
get_macaddr(void)
{
    int i, j, fd;
    int numif;
    static char ip[INET_ADDRSTRLEN];
 
    struct ifconf ifc;
    struct ifreq *ifrp;
    struct in_addr addr;
    struct ifreq ifr[MAX_NIC];
 
    memset (ifr, 0x00, sizeof(struct ifreq)*MAX_NIC);
    ifc.ifc_len = sizeof(ifr);
    ifc.ifc_buf = (char *)ifr;
 
    if((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) 
    {
        perror("socket");
        return ;
    }
    if(ioctl(fd, SIOCGIFCONF, &ifc) < 0) {
        perror("get interface");
        return ;
    }
 
    numif = ifc.ifc_len / sizeof(struct ifreq);
 
    for(i = 0; i < numif; i++) 
    {
        if (strcmp(ifr[i].ifr_name, "lo0") == 0)
            continue;
 
        if (ioctl (fd, SIOCGENADDR, &ifr[i]) == -1)
        {
            perror("get hwaddr");
            return ;
        }
 
        printf("%s\n", ether_ntoa(ifr.ifr_enaddr));
    }
 
    close(fd);
 
    return ;
}
 
int
main()
{
    get_macaddr();
}