13 struct Queue  struct
23 Queue*  argument
26 	Queue *q;  in _vtqalloc()
28 	q = vtmallocz(sizeof(Queue));  in _vtqalloc()
34 Queue*
35 _vtqincref(Queue *q)  in _vtqincref()
44 _vtqdecref(Queue *q)  in _vtqdecref()
66 _vtqsend(Queue *q, void *p)  in _vtqsend()
90 _vtqrecv(Queue *q)  in _vtqrecv()
111 _vtnbqrecv(Queue *q)  in _vtnbqrecv()
130 _vtqhangup(Queue *q)  in _vtqhangup()