[[Category:C]][[Category:FutureOS]][[Category:Programming]][[Category:Programming software]]
The '''FIOLIB''' is needed to use the programming language C for [[FutureOS]]. There are CP/M versions of Small-C and Windows-based cross-compilers of the C language. Use FIOLIB.C instead of IOLIB.C. The FIOLIB.C contains all needed C functions to use FutureOS system-calls.