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19 lines
637 B
Groff
19 lines
637 B
Groff
.TH socket_mchopcount6 3
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.SH NAME
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socket_mchopcount6 \- set multicast hop count
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.SH SYNTAX
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.B #include <socket.h>
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int \fBsocket_mchopcount6\fP(int \fIs\fR,char \fITTL\fR);
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.SH DESCRIPTION
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socket_mchopcount6 sets the maximum hop count of outgoing multicast
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packets on the socket \fIs\fR. Each router decrements the packet hop
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count by one and discards the packet if it reaches zero. Setting the
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maximum hop count to 1, for example, will limit the packet propagation
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to the LAN.
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If something goes wrong, socket_mchopcount6 returns -1, setting errno
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appropriately.
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.SH "SEE ALSO"
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socket_mcttl4(3), socket_mcjoin4(3), socket_mcleave4(3)
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