Man page - socket_broadcast(3)

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Manual

socket_broadcast

NAME
SYNTAX
DESCRIPTION
EXAMPLE
SEE ALSO

NAME

socket_broadcast - set UDP socket to broadcast mode

SYNTAX

#include <libowfat/socket.h>

int socket_broadcast (int s );

DESCRIPTION

socket_broadcast sets UDP socket s to broadcast mode. socket_send4 and socket_send6 will fail to send packets to the broadcast address unless socket_broadcast is called before.

Normally socket_broadcast returns 0.

If anything goes wrong, socket_broadcast returns -1, setting errno appropriately.

EXAMPLE

#include <libowfat/socket.h>

int s ;

if (( s =socket_udp6())==-1)
strerr_die2sys(111,FATAL,"unable to create UDP socket: ");
if (socket_broadcast( s ) == -1)
strerr_die2sys(111,FATAL,"unable to set broadcast mode: ");

SEE ALSO

socket_send4(3), socket_send6(3)