// ndis.h
USHORT NdisMaxGroupCount();
View the official Windows Driver Kit DDI referenceNo description available.
The NdisMaxGroupCount function returns the maximum number of processor groups in the local computer system.
NdisMaxGroupCount returns a USHORT value for the maximum number of processor groups that are included in the local computer system. The number of groups is a zero-based value.
NDIS drivers call the NdisMaxGroupCount function to obtain the maximum number of processor groups that are included in the local computer system.
To obtain the number of groups that are currently active, call the NdisActiveGroupCount function.