standard or not?

[Felix Lee]

A bitfield specification doesn't apply to arbitrary variables.
You need to put it inside a struct {} or a class {} definition,
something like this:

    struct bar {
      int _val : 2;
    };

Yes, it's standard.

Israel Fdez Cabrera <israel@seg.inf.cu>:
> I saw in a friend's Visual C++ code a line like the one below
> int _val : 2;
> he told me that the number after the identifier refers to the number of bits 
> the variable will have. I tested this in gcc 3.2 and it didn't worked.
> Is this C/C++ standard o a Micro$oft extention?