#include <string.h>
#include <stdio.h>

int main ( void )
{
	FILE *stream;
	char string[] = "This is a test";
	char msg[20];

	/* open a file for update */
	stream = fopen ( "DUMMY.FIL", "w+" );

	/* write a string into the file */
	fwrite ( string, strlen ( string ), 1, stream );

	/* seek to the start of the file */
	fseek ( stream, 0, SEEK_SET );

	/* read a string from the file */
	fgets ( msg, strlen ( string ) +1, stream );

	/* display the string */
	printf ( "%s", msg );

	fclose ( stream );
	return 0;
}