static VALUE
rb_gzreader_lines(int argc, VALUE *argv, VALUE obj)
{
rb_warn("Zlib::GzipReader#lines is deprecated; use #each_line instead");
if (!rb_block_given_p())
return rb_enumeratorize(obj, ID2SYM(rb_intern("each_line")), argc, argv);
return rb_gzreader_each(argc, argv, obj);
}