Migrating TPs to LU 6.2 API/XL Peer-to-Peer Customers migrating to the peer-to-peer version (the Release 4.0 version) of LU 6.2 API/XL from LU 6.2 API/V or from an earlier version of LU 6.2 API/XL might have to change their transaction programs. Transaction programs will require modification if they perform either of the following functions: 1. Issue APPCCONTROL commands programmatically. 2. Call the MCGetAllocate intrinsic to receive allocate requests from remote TPs. TPs that issue APPCCONTROL commands must be changed, because APPCCONTROL commands will be interpreted by a system UDC instead of by the MPE command interpreter. The MPE COMMAND intrinsic (for issuing MPE commands programmatically) can be replaced with the MPE HPCICOMMAND intrinsic (for executing UDCs programmatically). Or, the programmatic calls to APPCCONTROL commands can be replaced with calls to the new control operator intrinsics, which will perform the same functions as APPCCONTROL commands. The control operator intrinsics will be included in the peer-to-peer version of LU 6.2 API/XL. TPs that call the MCGetAllocate intrinsic must be changed, because the LocalTPName parameter of the MCGetAllocate intrinsic will be an input parameter in the peer-to-peer version of LU 6.2 API/XL. (It was an output parameter in previous versions of the product.) The April 1992 edition (the Release 4.0 edition) of the LU 6.2 API Application Programmer's Reference Manual (30294-61000) will explain how to migrate transaction programs to the peer-to-peer version of LU 6.2 API/XL. Instructions will be in appendix F of that manual.