ABCL/c+ is a concurrent object-oriented programming language, an extension of ABCL/1 based on C.

["An Implementation of An Operating System Kernel using Concurrent Object Oriented Language ABCL/c+", N. Doi et al in ECOOP '88, S. Gjessing et al eds, LNCS 322, Springer 1988].

See also:

This article (or an earlier version of it) contains material from FOLDOC, used with permission.