Concurrent Object-Oriented C
(cooC) A language with concurrent object execution from Toshiba. It has synchronous and asynchronous message passing. It has been implemented for SunOS.
ftp://tsbgw.isl.rdc.toshiba.co.jp/pub/toshiba/cooc-beta.1.1.tar.Z.
[SIGPLAN Notices 28(2)].