VxDCall IOS_Register, <<OFFSET32 DRP>>
Registers an IOS client or driver. The function copies the addresses of the various IOS linkage services to the I/O linkage block (ILB) of the client or driver and initializes structures maintained internally by the IOS.
DRP
Address of a DRP structure that contains information for registering the driver or client.
See also DRP, ILB