CVS commit: src

[Klaus Klein <kleink%netbsd.org@localhost>]

Module Name:    src
Committed By:   kleink
Date:           Tue Mar  9 20:33:22 UTC 1999

Modified Files:
        src/include: unistd.h
        src/lib/libc/sys: brk.2
Log Message:
brk(2) actually returns an int indicating success (0) or failure (-1).  Also,
change its argument to void *.  (Both XSH5).