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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 &lt;string.h&gt;

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) &lt; 0 )
        {
    	perror("write fails.");
        }
    printf("File (%s) is created successfully.", fileName);
    fclose(fd);
    getchar();
    return 0;
	}</codeblock>
</conbody></concept>