/* * call-seq: * read(len = nil) * * Read decompressed data from the stream. * * Bzip2::Reader.new(Bzip2.compress('ab')).read # => "ab" * Bzip2::Reader.new(Bzip2.compress('ab')).read(1) # => "a" * * @return [String, nil] the decompressed data read or +nil+ if eoz has been * reached * @param [Integer] len the number of decompressed bytes which should be read. * If nothing is specified, the entire stream is read */ static VALUE bz_reader_read(int argc, VALUE *argv, VALUE obj) {