/*
Verify that the expression getchar() != EOF is 0 or 1.
*/
#include <stdio.h>
main()
{
int c;
while(c = getchar() != EOF)
{
printf("%d\n", c);
}
printf("%d - at EOF\n", c);
}
C - The C Answer (2nd Edition) - Exercise 1-6
原文：http://www.cnblogs.com/zhchoutai/p/7198567.html