kBluetoothHCICommandSetHostControllerToHostFlowControl

objc2_io_bluetooth

Constant kBluetoothHCICommandSetHostControllerToHostFlowControl 

Source 
pub const kBluetoothHCICommandSetHostControllerToHostFlowControl: c_uint = 0x0031;
Available on crate feature Bluetooth only.
Expand description

Apple’s documentation