C on IBM main frames

[Herb Chong, Computing Services]

Waterloo has a C compiler that works on VM/CMS and will be available
shortly for the IBM PC, MVS, and other computers.  It is written in WSL,
a machine independent systems development language and is nearly compatible
with Unix C.  The differences are in the types of some of the I/O library
routines, but this is always a difficult area in portable C programs.
I have ported Unix C programs to VM/CMS using Waterloo C and they have compiled,
but the I/O routines needed changing.  Also the math library works in
double precision always. 

Herb Chong, BASc
Computer Consultant 
Department of Computing Services
University of Waterloo

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