/*
 * call-seq:
 *   File.setgid?(file_name)   =>  true or false
 *
 * Returns <code>true</code> if the named file has the setgid bit set.
 */

static VALUE
test_sgid(obj, fname)
    VALUE obj, fname;
{
#ifdef S_ISGID
    return check3rdbyte(fname, S_ISGID);
#else
    return Qfalse;
#endif
}