35 	unsigned short index;  member
99 			.index = i,  in alloc_ring()
114 	unsigned head, index;  in add_inbuf()  local
133 	index = ring[head].index;  in add_inbuf()
134 	data[index].buf = buf;  in add_inbuf()
135 	data[index].data = datap;  in add_inbuf()
146 	unsigned index;  in get_buf()  local
154 	index = ring[head].index & (ring_size - 1);  in get_buf()
155 	datap = data[index].data;  in get_buf()
156 	*bufp = data[index].buf;  in get_buf()
157 	data[index].buf = NULL;  in get_buf()
158 	data[index].data = NULL;  in get_buf()