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    SubjectRe: your mail


    On Wed, 3 Dec 2003, Bloch, Jack wrote:
    >
    > I try to open a non-existan device driver node file. The Kernel returns a
    > value of -1 (expected). However, when I read the value of errno it contains
    > a value of 29. A call to the perror functrion does print out the correct
    > error message (a value of 2). Why does this happen?

    Because you forgot a "#include <errno.h>"? Or you have something else
    wrong in your program that makes "errno" mean the wrong thing?

    Linus
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