Functions starting with `f' in driverkit

• findFreeRangeWithSize driverkit/KernBus.h:152
• forKey driverkit/KernDeviceDescription.m:199
• free driverkit/objc_support.m:205
• freeResources driverkit/KernDeviceDescription.m:76
• freeString driverkit/KernDeviceDescription.m:70