| udp_bind() | ||
|---|---|---|
 | 166.10. UDP interface |  |
Name
udp_bind() — Bind PCB to local IP address and port
Synopsis
err_t udp_bind
(struct udp_pcb *pcb
, struct ip_addr *ipaddr
, u16_t port
);
Description
Binds pcb to the local address indicated by
ipaddr and port indicated by
port. ipaddr can be
IP_ADDR_ANY to indicate that it should listen
to any local IP address. Port may be 0 for
any port.
Return value
This function can return ERR_USE if all usable UDP
dynamic ports are used (only relevant if port
is 0. Otherwise udp_bind()
will always return ERR_OK.
| |  | |
| udp_remove() |  | udp_connect() |
| 2025-10-02 | LWIP Documentation Notices |