cb property

Pointer<NativeFunction<Void Function(Int level, Pointer<Char> data, Int len)>> cb
getter/setter pair

Optional callback function to be called to write log to application specific device. This function will be called for log messages on input verbosity level.

Implementation

external ffi.Pointer<
    ffi.NativeFunction<
        ffi.Void Function(
            ffi.Int level, ffi.Pointer<ffi.Char> data, ffi.Int len)>> cb;