device driver:

BroadcastSystemMessage

DeviceCapabilities

DeviceIoControl

EnumDeviceDrivers

GetDeviceDriverBaseName

GetDeviceDriverFileName

SetSystemPowerState

waveInUnprepareHeader

waveOutUnprepareHeader

Detecting changes in connections to removable drives (VFP9)

Listing device drivers in the system: load addresses, names

Reading and setting system access privileges for the current process