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18 lines
554 B
Groff
18 lines
554 B
Groff
.TH socket_mcloop4 3
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.SH NAME
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socket_mcloop4 \- set multicast loopback
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.SH SYNTAX
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.B #include <libowfat/socket.h>
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int \fBsocket_mcloop4\fP(int \fIs\fR,char \fIloop\fR);
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.SH DESCRIPTION
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socket_mcloop4 activates multicast loopback for the socket \fIs\fR if
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\fIloop\fR is non-zero, and deactivates it otherwise. If loopback is
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activated, packets sent on this socket will be received on the same
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host.
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If something goes wrong, socket_mcloop4 returns -1, setting errno
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appropriately.
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.SH "SEE ALSO"
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socket_mcloop6(3), socket_mcjoin4(3), socket_mcleave4(3)
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