从流中读取字符

[c]代码库

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

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

	/* 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 beginning of the file */
	fseek ( stream, 0, SEEK_SET );

	do
	{
		/* read a char from the file */
		ch = fgetc ( stream );

		/* display the character */
		putch ( ch );
	}
	while ( ch != EOF );

	fclose ( stream );
	return 0;
}