Wanted: RSX11M C compiler

[bob hilliard]

I am looking for a "good" C compiler for a PDP11/44 running RSX11M PLUS.
The reason for this is because I am involved in a project on the portability
of C. Therefore I need a C compiler which will be compatible with VAX11/VMS,
HP3000/MPE, IBM-PC/MS-DOS, UNIX(sun), and MACINTOSH C compilers. Also if
there are any sugustions on which compilers should be used on the other 
systems listed I would apprecited your idea. Please send your response
by mail. thank you.

 Bob Hilliard   {allegra,seismo}!rochester!kodak