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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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