socket_local4(3) debian man page | unix.com

socket_local4(3)					     Library Functions Manual						  socket_local4(3)

NAME
       socket_local4 - get local IP address of socket

SYNTAX
       #include <socket.h>

       int socket_local4(int s,char ip[4],uint16 *port);

DESCRIPTION
       socket_local4 returns the local IP address and port for the UDP or TCP socket s and writes the IP address to ip and the port to port.

       If something goes wrong, socket_local4 returns -1, setting errno appropriately.

SEE ALSO
       socket_accept4(3), socket_remote4(3)

																  socket_local4(3)