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+    <h1 id="firstHeading" class="firstHeading">EXIT_SUCCESS, EXIT_FAILURE</h1>            <table class="t-dcl-begin"> <tr class="t-dsc-header"> <th> Defined in header <code>&lt;stdlib.h&gt;</code> </th> <th> </th> <th> </th> </tr> <tr class="t-dcl"> <td class="t-dcl-nopad"> <pre data-language="c">#define EXIT_SUCCESS /*implementation defined*/</pre>
+</td> <td class="t-dcl-nopad"> </td> <td class="t-dcl-nopad"> </td> </tr> <tr class="t-dcl"> <td class="t-dcl-nopad"> <pre data-language="c">#define EXIT_FAILURE /*implementation defined*/</pre>
+</td> <td class="t-dcl-nopad"> </td> <td class="t-dcl-nopad"> </td> </tr>  </table> <p>The <code>EXIT_SUCCESS</code> and <code>EXIT_FAILURE</code> macros expand into integral expressions that can be used as arguments to the <code><a href="exit" title="c/program/exit">exit</a></code> function (and, therefore, as the values to return from the <a href="../language/main_function" title="c/language/main function">main function</a>), and indicate program execution status.</p>
+<table class="t-dsc-begin"> <tr class="t-dsc-hitem"> <th> Constant </th> <th> Explanation </th>
+</tr> <tr class="t-dsc"> <td> <code>EXIT_SUCCESS</code> </td> <td> successful execution of a program </td>
+</tr> <tr class="t-dsc"> <td> <code>EXIT_FAILURE</code> </td> <td> unsuccessful execution of a program </td>
+</tr> </table>  <h3 id="Notes"> Notes</h3> <p>Both <code>EXIT_SUCCESS</code> and the value zero indicate successful program execution status (see <code><a href="exit" title="c/program/exit">exit</a></code>), although it is not required that <code>EXIT_SUCCESS</code> equals zero.</p>
+<h3 id="Example"> Example</h3> <div class="t-example"> <div class="c source-c"><pre data-language="c">#include &lt;stdio.h&gt;
+#include &lt;stdlib.h&gt;
+ 
+int main(void)
+{
+    FILE *fp = fopen("data.txt","r");
+    if (fp == NULL)
+    {
+       fprintf(stderr, "fopen() failed in file %s at line # %d", __FILE__,__LINE__);
+       exit(EXIT_FAILURE);
+    }
+ 
+    /* Normal processing continues here. */
+    fclose(fp);
+    printf("Normal Return\n");
+ 
+    return EXIT_SUCCESS;
+}</pre></div> <p>Output:</p>
+<div class="text source-text"><pre data-language="c">fopen() failed in file main.cpp at line # 9</pre></div> </div> <h3 id="References"> References</h3>  <ul>
+<li> C17 standard (ISO/IEC 9899:2018): </li>
+<ul><li> 7.22/3 General utilities &lt;stdlib.h&gt; (p: 248) </li></ul>
+<li> C11 standard (ISO/IEC 9899:2011): </li>
+<ul><li> 7.22/3 General utilities &lt;stdlib.h&gt; (p: 340) </li></ul>
+<li> C99 standard (ISO/IEC 9899:1999): </li>
+<ul><li> 7.20/3 General utilities &lt;stdlib.h&gt; (p: 306) </li></ul>
+<li> C89/C90 standard (ISO/IEC 9899:1990): </li>
+<ul><li> 4.10 General utilities &lt;stdlib.h&gt; </li></ul>
+</ul>               <h3 id="See_also"> See also</h3> <table class="t-dsc-begin"> <tr class="t-dsc"> <td colspan="2"> <span><a href="https://en.cppreference.com/w/cpp/utility/program/EXIT_status" title="cpp/utility/program/EXIT status">C++ documentation</a></span> for <code>EXIT_SUCCESS, EXIT_FAILURE</code> </td>
+</tr> </table>           <div class="_attribution">
+  <p class="_attribution-p">
+    &copy; cppreference.com<br>Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.<br>
+    <a href="https://en.cppreference.com/w/c/program/EXIT_status" class="_attribution-link">https://en.cppreference.com/w/c/program/EXIT_status</a>
+  </p>
+</div>