Function mynewt::kernel::os::os_dev_walk

pub unsafe extern "C" fn os_dev_walk(
    walk_func: Option<unsafe extern "C" fn(arg1: *mut os_dev, arg2: *mut c_void) -> c_int>, 
    arg: *mut c_void
)

Walk through all devices, calling callback for every device.

• walk_func: Function to call @aparm arg Argument to pass to walk_func