? :,Conditional Expression or ternary operator

C Programming Language Operators and Enums in C Language (Article) Operators and Enums in C Language (Program)

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Program:

<span class="com">#include</span><span class="pln"> </span><span class="str">"stdio.h"</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="kwd">int</span><span class="pln"> a </span><span class="pun">=</span><span class="pln"> </span><span class="lit">4</span><span class="pun">;</span><span class="pln">
   </span><span class="kwd">short</span><span class="pln"> b</span><span class="pun">;</span><span class="pln">
    
    </span><span class="com">/* example of ternary operator */</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">
   b </span><span class="pun">=</span><span class="pln"> </span><span class="pun">(</span><span class="pln">a </span><span class="pun">==</span><span class="pln"> </span><span class="lit">1</span><span class="pun">)</span><span class="pln"> </span><span class="pun">?</span><span class="pln"> </span><span class="lit">20</span><span class="pun">:</span><span class="pln"> </span><span class="lit">30</span><span class="pun">;</span><span class="pln">
   printf</span><span class="pun">(</span><span class="pln"> </span><span class="str">"Value of b is %d\n"</span><span class="pun">,</span><span class="pln"> b </span><span class="pun">);</span><span class="pln">

   b </span><span class="pun">=</span><span class="pln"> </span><span class="pun">(</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="pun">?</span><span class="pln"> </span><span class="lit">20</span><span class="pun">:</span><span class="pln"> </span><span class="lit">30</span><span class="pun">;</span><span class="pln">
   printf</span><span class="pun">(</span><span class="pln"> </span><span class="str">"Value of b is %d\n"</span><span class="pun">,</span><span class="pln"> b </span><span class="pun">);</span><span class="pln">
</span><span class="pun">}</span>

Output:

Value of b is 30
Value of b is 20
Press any key to continue . . .

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