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SubjectRe: asm/unistd.h

Sardañons@pizda.ninka.net, Eliel writes:
> I'm taking a look at the linux code and I don't understand how do you
> programm...mmm (?) may be i'm a stupid why in include/asm/unistd.h in some
> macros you use this:

Two reasons:

1) Empty statements give a warning from the compiler so
this is why you see "#define FOO do { } while(0)"
2) It gives you a basic block in which to declare local
variables.
Later,
David S. Miller
davem@redhat.com
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