gistfile1.txt

klr@(none):~/tmp $ cat test.c                                                
#include <stdio.h>

main()
{
	int c;

	while ((c = getchar()) != EOF)
		putchar(c);
}
klr@(none):~/tmp $ gcc test.c                                                
klr@(none):~/tmp $ echo "PWNED!" | ./a.out                                   
PWNED!
255|klr@(none):~/tmp $