kIOUSBEndpointDescriptorSynchronizationTypeSynchronous

objc2_io_kit

Constant kIOUSBEndpointDescriptorSynchronizationTypeSynchronous 

Source 
pub const kIOUSBEndpointDescriptorSynchronizationTypeSynchronous: c_uint = _; // 12u32
Available on crate feature AppleUSBDefinitions only.
Expand description

Apple’s documentation