CAClockGetCurrentTempo(_:_:_:)
Declaration
func CAClockGetCurrentTempo(_ inCAClock: CAClockRef, _ outTempo: UnsafeMutablePointer<CAClockTempo>, _ outTimestamp: UnsafeMutablePointer<CAClockTime>?) -> OSStatusfunc CAClockGetCurrentTempo(_ inCAClock: CAClockRef, _ outTempo: UnsafeMutablePointer<CAClockTempo>, _ outTimestamp: UnsafeMutablePointer<CAClockTime>?) -> OSStatus