orig_name

/*
 * Returns original filename recorded in the gzip file header, or +nil+ if
 * original filename is not present.
 */
static VALUE
rb_gzfile_orig_name(obj)
    VALUE obj;
{
    VALUE str = get_gzfile(obj)->orig_name;
    if (!NIL_P(str)) {
        str = rb_str_dup(str);
    }
    OBJ_TAINT(str);  /* for safe */
    return str;
}