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		<title>C++/File/Array Based IO - История изменений</title>
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		<updated>2026-04-18T12:44:33Z</updated>
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		<id>http://www.cppe.ru/index.php?title=C%2B%2B/File/Array_Based_IO&amp;diff=888&amp;oldid=prev</id>
		<title> в 14:21, 25 мая 2010</title>
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				<updated>2010-05-25T14:21:06Z</updated>
		
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Версия 14:21, 25 мая 2010&lt;/td&gt;
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		<id>http://www.cppe.ru/index.php?title=C%2B%2B/File/Array_Based_IO&amp;diff=889&amp;oldid=prev</id>
		<title>Admin: 1 версия:&amp;#32;Импорт контента...</title>
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				<updated>2010-05-25T10:24:06Z</updated>
		
		<summary type="html">&lt;p&gt;1 версия: Импорт контента...&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Новая страница&lt;/b&gt;&lt;/p&gt;&lt;div&gt;==A dynamic output array==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
   &lt;br /&gt;
&amp;lt;source lang=&amp;quot;cpp&amp;quot;&amp;gt;&lt;br /&gt;
&lt;br /&gt;
#include &amp;lt;strstream&amp;gt;&lt;br /&gt;
#include &amp;lt;iostream&amp;gt;&lt;br /&gt;
using namespace std;&lt;br /&gt;
int main()&lt;br /&gt;
{&lt;br /&gt;
  char *p;&lt;br /&gt;
  ostrstream outs;                       // dynamically allocate array&lt;br /&gt;
  outs &amp;lt;&amp;lt; &amp;quot;C++ array-based I/O &amp;quot;;&lt;br /&gt;
  outs &amp;lt;&amp;lt; -10 &amp;lt;&amp;lt; hex &amp;lt;&amp;lt; &amp;quot; &amp;quot;;&lt;br /&gt;
  outs.setf(ios::showbase);&lt;br /&gt;
  outs &amp;lt;&amp;lt; 100 &amp;lt;&amp;lt; ends;&lt;br /&gt;
  p = outs.str();                        // Freeze dynamic buffer and return&lt;br /&gt;
                                         // pointer to it.&lt;br /&gt;
  cout &amp;lt;&amp;lt; p;&lt;br /&gt;
  return 0;&lt;br /&gt;
}&lt;br /&gt;
&lt;br /&gt;
           &lt;br /&gt;
       &amp;lt;/source&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==An array-based output stream==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
   &lt;br /&gt;
&amp;lt;source lang=&amp;quot;cpp&amp;quot;&amp;gt;&lt;br /&gt;
#include &amp;lt;strstream&amp;gt;&lt;br /&gt;
#include &amp;lt;iostream&amp;gt;&lt;br /&gt;
using namespace std;&lt;br /&gt;
int main()&lt;br /&gt;
{&lt;br /&gt;
  char str[80];&lt;br /&gt;
  ostrstream outs(str, sizeof(str));&lt;br /&gt;
  outs &amp;lt;&amp;lt; &amp;quot;array-based I/O. &amp;quot;;&lt;br /&gt;
  outs &amp;lt;&amp;lt; 1024 &amp;lt;&amp;lt; hex &amp;lt;&amp;lt; &amp;quot; &amp;quot;;&lt;br /&gt;
  outs.setf(ios::showbase);&lt;br /&gt;
  outs &amp;lt;&amp;lt; 100 &amp;lt;&amp;lt; &amp;quot; &amp;quot; &amp;lt;&amp;lt; 99.789 &amp;lt;&amp;lt; ends;&lt;br /&gt;
  cout &amp;lt;&amp;lt; str;  &lt;br /&gt;
  return 0;&lt;br /&gt;
}&lt;br /&gt;
           &lt;br /&gt;
       &amp;lt;/source&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Using Binary I/O with Array-Based Streams==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
   &lt;br /&gt;
&amp;lt;source lang=&amp;quot;cpp&amp;quot;&amp;gt;&lt;br /&gt;
#include &amp;lt;iostream&amp;gt;&lt;br /&gt;
#include &amp;lt;strstream&amp;gt;&lt;br /&gt;
using namespace std;&lt;br /&gt;
int main()&lt;br /&gt;
{&lt;br /&gt;
  char *p = &amp;quot;this is a test\1\2\3\4\5\6\7&amp;quot;;&lt;br /&gt;
  istrstream ins(p);&lt;br /&gt;
  char ch;&lt;br /&gt;
  while (!ins.eof()) {                       // read and display binary info&lt;br /&gt;
    ins.get(ch);&lt;br /&gt;
    cout &amp;lt;&amp;lt; hex &amp;lt;&amp;lt; (int) ch &amp;lt;&amp;lt; &amp;quot; &amp;quot;;&lt;br /&gt;
 }&lt;br /&gt;
  return 0;&lt;br /&gt;
}&lt;br /&gt;
&lt;br /&gt;
           &lt;br /&gt;
       &amp;lt;/source&amp;gt;&lt;/div&gt;</summary>
		<author><name>Admin</name></author>	</entry>

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