usr/src/lib/libc/gen/gethostname.c

/*
 * Copyright (c) 1989, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * %sccs.include.redist.c%
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)gethostname.c       8.1 (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */

#include <sys/param.h>
#include <sys/sysctl.h>

long
gethostname(name, namelen)
        char *name;
        int namelen;
{
        int mib[2];
        size_t size;

        mib[0] = CTL_KERN;
        mib[1] = KERN_HOSTNAME;
        size = namelen;
        if (sysctl(mib, 2, name, &size, NULL, 0) == -1)
                return (-1);
        return (0);
}