All symbols starting with `o' in iokit/IOKit

• object iokit/IOKit/IOService.h:136
• open iokit/IOKit/IOService.h:70
• OSAsyncReference iokit/IOKit/OSMessageNotification.h:59
• OSData iokit/IOKit/IOInterrupts.h:38
• OSNotificationHeader iokit/IOKit/OSMessageNotification.h:61
• OSObject iokit/IOKit/IOCommandQueue.h:50
• __OS_OSMESSAGENOTIFICATION_H iokit/IOKit/OSMessageNotification.h:30
• OSString iokit/IOKit/IOTypes.h:205
• OutputSegmentFunc iokit/IOKit/IOMemoryCursor.h:81
• owner iokit/IOKit/IOEventSource.h:91