Functions starting with `n' in iokit/Families/IONetworking

• nameForType iokit/Families/IONetworking/IONetworkMedium.cpp:372
• nullRxHandler iokit/Families/IONetworking/IOKernelDebugger.cpp:175
• nullTxHandler iokit/Families/IONetworking/IOKernelDebugger.cpp:168