BSD equivalent of memalign ?

[Po Cheung]

Is there a BSD function equivalent to memalign() under SunOS 4.0.3?

     char *memalign(alignment, size)
     unsigned alignment;
     unsigned size;

Please copy by email as I ususally do not follow this newsgroup.

Thanks for any help,
  Po Cheung
  cheung at sw.mcc.com