extern "c" fn kevent(c_int, [*]const c.T, c_int, [*]c.T, c_int, ?*const c.T) callconv(.C) c_int
kq: c_int,
changelist: [*]const c.T,
nchanges: c_int,
eventlist: [*]c.T,
nevents: c_int,
timeout: ?*const c.T,