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		<title>C/Data Type/Union - История изменений</title>
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		<updated>2026-04-07T17:57:32Z</updated>
		<subtitle>История изменений этой страницы в вики</subtitle>
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		<id>http://cppe.ru/index.php?title=C/Data_Type/Union&amp;diff=344&amp;oldid=prev</id>
		<title> в 14:20, 25 мая 2010</title>
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				<updated>2010-05-25T14:20:56Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Предыдущая&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Версия 14:20, 25 мая 2010&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; style=&quot;text-align: center;&quot; lang=&quot;ru&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(нет различий)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
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	<entry>
		<id>http://cppe.ru/index.php?title=C/Data_Type/Union&amp;diff=345&amp;oldid=prev</id>
		<title>Admin: 1 версия:&amp;#32;Импорт контента...</title>
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				<updated>2010-05-25T10:22:40Z</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;==Simple union ==&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;
union marks {&lt;br /&gt;
  float perc; &lt;br /&gt;
  char grade; &lt;br /&gt;
}&lt;br /&gt;
main () {&lt;br /&gt;
  union marks student1;&lt;br /&gt;
  &lt;br /&gt;
  student1.perc = 98.5;&lt;br /&gt;
  &lt;br /&gt;
  printf( &amp;quot;Marks are %f address is %16lu\n&amp;quot;, student1.perc, &amp;amp;student1.perc);&lt;br /&gt;
  &lt;br /&gt;
   &lt;br /&gt;
  student1.grade = &amp;quot;c&amp;quot;;  &lt;br /&gt;
  &lt;br /&gt;
  printf(&amp;quot;Grade is %c address is  %16lu\n&amp;quot;, student1.grade, &amp;amp;student1.grade);&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;
==The operation of a union==&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;stdio.h&amp;gt;&lt;br /&gt;
void main()&lt;br /&gt;
{&lt;br /&gt;
  union u_example   &lt;br /&gt;
  {&lt;br /&gt;
    float decval;&lt;br /&gt;
    int pnum;&lt;br /&gt;
    double my_value;&lt;br /&gt;
  } U1;&lt;br /&gt;
  U1.my_value = 125.5;&lt;br /&gt;
  U1.pnum = 10;&lt;br /&gt;
  U1.decval = 1000.5f;&lt;br /&gt;
  printf(&amp;quot;\ndecval = %f   pnum = %d   my_value = %lf&amp;quot;, &lt;br /&gt;
                        U1.decval, U1.pnum, U1.my_value );&lt;br /&gt;
      &lt;br /&gt;
  printf(&amp;quot;\nU1 size = %d\ndecval size = %d   pnum size = %d   my_value size = %d&amp;quot;,&lt;br /&gt;
                 sizeof U1, sizeof U1.decval, sizeof U1.pnum, sizeof U1.my_value);&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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