Discussion

if(scanf("%f", &x) == EOF)

action

else

. . .

Is the same as

n = scanf("%f", &x);

if(n == EOF) ...

The value n will be the number of items read, or EOF if end-of-file is reached.

The use in while(scanf()!=EOF){ ...

is similar.

Previous slide

Next slide

Back to first slide

View graphic version