1socket_mcjoin4(3)          Library Functions Manual          socket_mcjoin4(3)
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NAME

6       socket_mcjoin4 - join a multicast group
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SYNTAX

9       #include <socket.h>
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11       int   socket_mcjoin4(int  s,const  char  groupip[4],const  char  inter‐
12       face[4]);
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DESCRIPTION

15       socket_mcjoin4 joins the IPv4 multicast group groupip on interface.
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17       If something goes  wrong,  socket_mcjoin4  returns  -1,  setting  errno
18       appropriately.
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SEE ALSO

21       socket_mcleave4(3), socket_mcjoin6(3), socket_getifidx(3)
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25                                                             socket_mcjoin4(3)