replace setbuf with setvbuf, from Frederic Nowak
-Wall cleanup.
kill bad functions; some sort of ok from marc who is trying to confuse me
various cleanups; david says results are same
convert everything to bsd.regress.mk
Be sure both programs are using the same port.
per man page and gcc 3.0.1, exit requires prototype from stdlib.h
Regression tests for libc_r (pthreads) library.Thanks to pval@ for resolving the license stuff.