You are using the wrong flag. The expression in second is long long.
So you should use flag "%llx". Since printf uses vararg, it is
undefined behavior if there is type mismatch with argument.
Hong
> Hehehe. Ok. Guess what the following will print:
>
> #include <stdio.h>
> int main(void) {
> int x = 511;
> printf("x = %x\n", x);
> printf("x & ~0xff = %x\n", x & (long long) ~0xff);
> return 0;
> }
>
>
> --
> Andy Dougherty [EMAIL PROTECTED]
> Dept. of Physics
> Lafayette College, Easton PA 18042
>
>
>
