Daniel Jacobowitz writes:

MontaVista noticed that when their kernels were configured to trap on unaligned
access gethostbyname_r could mysteriously crash.  I tracked this down to an
unaligned buffer being passed to gethostbyname_r from some other part of uClibc
(afraid I don't remember where from any more).  We have to pad the beginning of
the buffer to a pointer alignment before we store pointers in it.

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