kIOUSBEndpointDescriptorSynchronizationTypeAsynchronous

objc2_io_kit

Constant kIOUSBEndpointDescriptorSynchronizationTypeAsynchronous 

Source 
pub const kIOUSBEndpointDescriptorSynchronizationTypeAsynchronous: c_uint = _; // 4u32
Available on crate feature AppleUSBDefinitions only.
Expand description

Apple’s documentation