udpdevice
struct udpdevice *dev = device2udp(p->handler);
struct udpdevice *dev = device2udp(p->handler);
struct udpdevice *dev = (struct udpdevice *)iov[(*niov)++].iov_base;
static struct udpdevice *
struct udpdevice *dev;
struct udpdevice *dev;
#define device2udp(d) ((d)->type == UDP_DEVICE ? (struct udpdevice *)d : NULL)
return sizeof(struct udpdevice);
struct udpdevice *dev = device2udp(p->handler);