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====== Introduction ======

Control Program Interface (CPI, CP API) is a general set of system interfaces to perform most of common tasks. Mainly, CPI consist of [[en:docs:os2:modules:doscalls|DOSCALLS.DLL]], [[en:docs:os2:modules:viocalls|VIOCALLS.DLL]], [[en:docs:os2:modules:kbdcalls|KBDCALLS.DLL]], [[en:docs:os2:modules:moucalls|MOUCALLS.DLL]] etc. Some of CP API shared with [[en:docs:fapi|Family API]] - cross-platform API which supports both OS/2 and DOS.

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