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<!DOCTYPE concept

  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">

<concept id="GUID-6F78B032-00EC-4638-8B65-88CA99075B4F" xml:lang="en"><title>Example

using <codeph>main()</codeph></title><shortdesc/><prolog><metadata><keywords/></metadata></prolog><conbody>

<p>A simple example using <codeph>main()</codeph> as an entry

point is described below. The example writes a text to a file.</p>

<ul>

<li><p>Modify the MMP file as mentioned before.</p></li>

<li><p>Do usual C style coding. </p></li>

</ul>

<codeblock xml:space="preserve">#include &lt;stdio.h&gt;

#include <string.h>

int main(void)

{

    FILE* fd;

    char* fileName = "C:\\test.txt";

    char *buf = "Hello world";

    fd = fopen(fileName, "w");

    if(fd == NULL)

		{

		printf("Unable to open the file (%s)", fileName);

		return -1;

		}

    if (fwrite(buf, sizeof(char), strlen(buf), fd) < 0 )

        {

    	perror("write fails.");

        }

    printf("File (%s) is created successfully.", fileName);

    fclose(fd);

    getchar();

    return 0;

	}</codeblock>