Re: 2.2.18 signal.h

[Alan Cox]

>       void foo()
>       {
>          extern int a;
>          if(a) goto a;
>          return;
>          a:
>          printf("%d\n", a);
>       }
> 
>       Both examples allow an extern declaration inside a function scope
>       which is also contrary to any (even old) 'C' standards. 'extern'
>       is always file scope, there's no way to make it otherwise.

extern in function scope is in original C. In fact its even _older_ than that
its in the B compiler too - although in B its 'extrn' not 'extern'.

Alan (yes I programmed in B)

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