malloc_dbg-2.1.0.tar.gz
   Version 2.1.0 of Gray Watson's (gray.watson@antaire.com) Debugging 
   Malloc Library for BSD/386 1.1 and other systems.
pthreads-1_50_3.tar.gz
   A POSIX threads package.  This is a free port by Christopher 
   Provenzano <proven@MIT.EDU>.  Ported by Mike Durian
   <durian@advtech.uswest.com>.  Should now build out of the box 
   on BSDI-1.1 machines (and many others).