> <span class='op'>=</span> <span class='id identifier rubyid_io'>io</span><span class='period'>.</span><span class='id identifier rubyid_read'>read</span><span class='lparen'>(</span><span class='id identifier rubyid_length'>length</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_unpack'>unpack</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>C*</span><span class='tstring_end'>&#39;<