while loop in C Programming

C Programming Language Loop control in C Language (Article) Loop control in C Language (Program)

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Program:

<span class="com">#include</span><span class="pln"> </span><span class="str">&lt;stdio.h&gt;</span><span class="pln">
 
</span><span class="kwd">int</span><span class="pln"> main </span><span class="pun">()</span><span class="pln"> </span><span class="pun">{</span><span class="pln">

   </span><span class="com">/* local variable definition */</span><span class="pln">
   </span><span class="kwd">int</span><span class="pln"> a </span><span class="pun">=</span><span class="pln"> </span><span class="lit">10</span><span class="pun">;</span><span class="pln">

   </span><span class="com">/* while loop execution */</span><span class="pln">
   </span><span class="kwd">while</span><span class="pun">(</span><span class="pln"> a </span><span class="pun">&lt;</span><span class="pln"> </span><span class="lit">20</span><span class="pln"> </span><span class="pun">)</span><span class="pln"> </span><span class="pun">{</span><span class="pln">
      printf</span><span class="pun">(</span><span class="str">"value of a: %d\n"</span><span class="pun">,</span><span class="pln"> a</span><span class="pun">);</span><span class="pln">
      a</span><span class="pun">++;</span><span class="pln">
   </span><span class="pun">}</span><span class="pln">
 
   </span><span class="kwd">return</span><span class="pln"> </span><span class="lit">0</span><span class="pun">;</span><span class="pln">
</span><span class="pun">}</span>

Output:

value of a: 10
value of a: 11
value of a: 12
value of a: 13
value of a: 14
value of a: 15
value of a: 16
value of a: 17
value of a: 18
value of a: 19
Press any key to continue . . .

Explanation:

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