1socket_mcloop4(3)          Library Functions Manual          socket_mcloop4(3)
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NAME

6       socket_mcloop4 - set multicast loopback
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SYNTAX

9       #include <socket.h>
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11       int socket_mcloop4(int s,char loop);
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DESCRIPTION

14       socket_mcloop4 activates multicast loopback for the socket s if loop is
15       non-zero, and deactivates it  otherwise.   If  loopback  is  activated,
16       packets sent on this socket will be received on the same host.
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18       If  something  goes  wrong,  socket_mcloop4  returns  -1, setting errno
19       appropriately.
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SEE ALSO

22       socket_mcloop6(3), socket_mcjoin4(3), socket_mcleave4(3)
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26                                                             socket_mcloop4(3)