Abstract - TSCLIB: A Library for C Programmes under TSX-plus V4, 2nd August 1989 TSCLIB is a library of functions designed to allow the user access to TSX-plus functions using the DECUS C compiler. It also contains routines giving access to RT-11 functions at a more primitive level than is allowed in the standard C library. Whilst this does not allow portability from RT/TSX, it does allow systems programming with a reasonable degree of efficiency. It also allows C programmes to be written which are designed not to use any of the normal C operating system at all, should space be a problem. TSCLIB is written in Macro-11 for TSX-plus and RT-11 on the PDP-11 family of computers. Author: Chester Wilson, 71 Galatea St, Charleville 4470, Australia.