socket_mcttl4 man page on Alpinelinux

socket_mcttl4 man page on Alpinelinux

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socket_mcttl4(3)					      socket_mcttl4(3)

NAME
       socket_mcttl4 - set multicast ttl

SYNTAX
       #include <socket.h>

       int socket_mcttl4(int s,char TTL);

DESCRIPTION
       socket_mcttl4  sets the TTL of outgoing multicast packets on the socket
       s.  Each router decrements the packet  TTL  by  one  and	 discards  the
       packet  if  the	TTL  reaches zero.  Setting the TTL to 1, for example,
       will limit the packet propagation to the LAN.

       If something goes wrong, socket_mcttl4 returns -1, setting errno appro‐
       priately.

SEE ALSO
       socket_mcttl6(3), socket_mcjoin4(3), socket_mcleave4(3)

							      socket_mcttl4(3)

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