{"id":150,"date":"2019-12-22T07:43:53","date_gmt":"2019-12-22T07:43:53","guid":{"rendered":"https:\/\/rndpedia.com\/blog\/?p=150"},"modified":"2024-07-22T03:09:44","modified_gmt":"2024-07-22T03:09:44","slug":"write-a-program-to-demonstrate-wrapping-around-2","status":"publish","type":"post","link":"https:\/\/www.nesark.com\/blog\/write-a-program-to-demonstrate-wrapping-around-2\/","title":{"rendered":"Write a program to demonstrate wrapping around (volatile variables)."},"content":{"rendered":"<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; title: ; notranslate\" title=\"\">\n#include&lt;stdio.h&gt;\n#include&lt;conio.h&gt;\nint main()\n{\n\tvolatile int x;\n\tvolatile const int y=10;\n\tprintf(&quot;Enter an integer:&quot;);\n\tscanf(&quot;%d&quot;,&amp;x);\n\tprintf(&quot;Entered integer is :%d&quot;,x);\n\tx=3;\n\tprintf(&quot;\\n Changed value of x is :%d&quot;,x);\n\tprintf(&quot;\\n Value of y: %d&quot;,y);    \n\tgetch();\n}\n\n\/*The volatile variables are those variables that can be changed at any time by other external program\nor the same program.*\/\n<\/pre><\/div>\n\n\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-1910841001912053\"\n     crossorigin=\"anonymous\"><\/script>\n<!-- horizintal -->\n<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-client=\"ca-pub-1910841001912053\"\n     data-ad-slot=\"8832200140\"\n     data-ad-format=\"auto\"\n     data-full-width-responsive=\"true\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\n\n\n\n<p>In the above program, &#8220;x&#8221; is declared as a volatile variable, which means that its value can be modified by other external factors. The user is prompted to enter an integer which is then assigned to the variable &#8220;x&#8221; using the scanf() function. The entered value is then displayed using the printf() function. Then the value of &#8220;x&#8221; is changed to 3 and displayed again. The variable &#8220;y&#8221; is also declared as a volatile variable with a constant value of 10, which is displayed using the printf() function. The keyword &#8220;volatile&#8221; informs the compiler that the value of the variable may change at any time and it should not perform any optimization based on the value of the variable.<\/p>\n\n\n\n<p>Thanks<\/p>\n\n\n\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-1910841001912053\"\n     crossorigin=\"anonymous\"><\/script>\n<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-format=\"autorelaxed\"\n     data-ad-client=\"ca-pub-1910841001912053\"\n     data-ad-slot=\"6076785113\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>In the above program, &#8220;x&#8221; is declared as a volatile variable, which means that its value can be modified by other external factors. The user is prompted to enter an integer which is then assigned to the variable &#8220;x&#8221; using the scanf() function. The entered value is then displayed using the printf() function. Then the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":416,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[75,137,271],"class_list":["post-150","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-c","tag-demonstrate","tag-integer","tag-wrapping"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Write a program to demonstrate wrapping around (volatile variables). - Nesark | Tutorials<\/title>\n<meta name=\"description\" content=\"I have been programming in c from quite some time. But never worked with programs where integer wrap around happens. 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Ltd.\"},\"image\":{\"@id\":\"https:\/\/www.nesark.com\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/nesarktech\",\"https:\/\/www.linkedin.com\/company\/nesarktech\",\"https:\/\/www.youtube.com\/nesarktech\",\"https:\/\/www.instagram.com\/nesarktech\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.nesark.com\/blog\/#\/schema\/person\/5282df381645953288b5502b89a86126\",\"name\":\"Ram Nath Das\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.nesark.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/059938dcfb66a295197ca697bf38c5947e4b3fae2e51dfbbbdb1d44f2c3a893f?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/059938dcfb66a295197ca697bf38c5947e4b3fae2e51dfbbbdb1d44f2c3a893f?s=96&d=mm&r=g\",\"caption\":\"Ram Nath Das\"},\"description\":\"I'm a results-driven professional with a passion for leveraging digital strategies to drive business growth. 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