61 struct udp_pcb;
77 typedef void (*udp_recv_fn)(void *arg, struct udp_pcb *pcb, struct pbuf *p,
81 struct udp_pcb {  struct
87   struct udp_pcb *next;  argument
115 extern struct udp_pcb *udp_pcbs;  argument
120 void set_udp_pcb_net_group(struct udp_pcb *pcb, struct net_group *group);
121 struct net_group *get_net_group_from_udp_pcb(struct udp_pcb *pcb);
123 struct udp_pcb * udp_new        (void);
124 struct udp_pcb * udp_new_ip_type(u8_t type);
125 void             udp_remove     (struct udp_pcb *pcb);
126 err_t            udp_bind       (struct udp_pcb *pcb, const ip_addr_t *ipaddr,
128 void             udp_bind_netif (struct udp_pcb *pcb, const struct netif* netif);
129 err_t            udp_connect    (struct udp_pcb *pcb, const ip_addr_t *ipaddr,
131 void             udp_disconnect (struct udp_pcb *pcb);
132 void             udp_recv       (struct udp_pcb *pcb, udp_recv_fn recv,
134 err_t            udp_sendto_if  (struct udp_pcb *pcb, struct pbuf *p,
137 err_t            udp_sendto_if_src(struct udp_pcb *pcb, struct pbuf *p,
140 err_t            udp_sendto     (struct udp_pcb *pcb, struct pbuf *p,
142 err_t            udp_send       (struct udp_pcb *pcb, struct pbuf *p);
145 err_t            udp_sendto_if_chksum(struct udp_pcb *pcb, struct pbuf *p,
149 err_t            udp_sendto_chksum(struct udp_pcb *pcb, struct pbuf *p,
152 err_t            udp_send_chksum(struct udp_pcb *pcb, struct pbuf *p,
154 err_t            udp_sendto_if_src_chksum(struct udp_pcb *pcb, struct pbuf *p,