data_type

/*
 * Guesses the type of the data which have been inputed into the stream. The
 * returned value is either <tt>Zlib::BINARY</tt>, <tt>Zlib::ASCII</tt>, or
 * <tt>Zlib::UNKNOWN</tt>.
 */
static VALUE
rb_zstream_data_type(obj)
    VALUE obj;
{
    return INT2FIX(get_zstream(obj)->stream.data_type);
}