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This version of this document is no longer maintained. For the latest documentation, see http://www.qnx.com/developers/docs. |
Count the segments in an IPv6 routing header
#include <netinet/in.h> int inet6_rthdr_segments(const struct cmsghdr *cmsg);
libsocket
Use the -l socket option to qcc to link against this library.
This function returns the number of segments (addresses) contained in the Routing header described by cmsg.
Safety: | |
---|---|
Cancellation point | No |
Interrupt handler | No |
Signal handler | Yes |
Thread | Yes |
inet6_rthdr_add(), inet6_rthdr_getaddr(), inet6_rthdr_getflags(), inet6_rthdr_init(), inet6_rthdr_lasthop(), inet6_rthdr_reverse(), inet6_rthdr_space()
W. Stevens and M. Thomas, Advanced Sockets API for IPv6, RFC 2292, February 1998. Contains good examples.
S. Deering and R. Hinden, Internet Protocol, Version 6 (IPv6) Specification, RFC 2460, December 1998.
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