source: trunk/minix/lib/ip/getdomain.c@ 15

/*      getdomainname()                                 Author: Kees J. Bot
 *                                                              2 Dec 1994
 */
#define nil 0
#include <sys/types.h>
#include <sys/utsname.h>
#include <unistd.h>
#include <string.h>

int getdomainname(char *domain, size_t size)
{
        char nodename[256];
        char *dot;

        if (gethostname(nodename, sizeof(nodename)) < 0)
                return -1;
        nodename[sizeof(nodename)-1]= 0;
        if ((dot= strchr(nodename, '.')) == nil) dot= ".";

        strncpy(domain, dot+1, size);
        if (size > 0) domain[size-1]= 0;
        return 0;
}