The WinCPICCleanup function terminates and deregisters an application from a Windows CPI-C implementation.
BOOL WINAPI WinCPICCleanup(void);
The return value specifies whether the deregistration was successful. If the value is not zero, the application was successfully deregistered. The application was not deregistered if a value of zero is returned.
Use WinCPICCleanup to indicate deregistration of a Windows CPI-C application from a Windows CPI-C implementation.