> >From AIX docco...
> "The sbrk subroutine adds to the break value the number of bytes contained in
> the Increment parameter and changes the amount of available space accordingly.
> The Increment parameter can be a negative number, in which case the amount of
> available space is decreased."

    Thanks for the correction!  I have never seen that in action
    though.  Usually, the C library will keep freed memory in
    free lists and does not decrease the size of the data
    segment using sbrk.

    - Sascha


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