inet6_rth_segments()--Return the Number of Segments in the IPv6 Routing Header

Syntax

  #include <netinet/in.h>

  int inet6_rth_segments(const void *routing_buffer)

  Service Program Name: QSOSRV1IP6

  Default Public Authority: *USE

  Threadsafe: Yes

The inet6_rth_segments() function returns the number of segments (addresses) in the routing extension header.

Parameters

routing_buffer: (Input) Pointer to a buffer that contains the routing extension header.

No authorization is required.

inet6_rth_segments() returns an integer. Possible values are:

-1 (unsuccessful)
n (successful), where n is the number of segments in the routing extension header

When inet6_rth_segments() fails, errno can be set to one of the following:

[EFAULT]

Bad address.

The system detected an address that was not valid while attempting to access the buffer pointed to by the routing_buffer parameter.

inet6_rth_add()--Add an IPv6 Address to the IPv6 Routing Header
inet6_rth_getaddr()--Retrieve an Address from the IPv6 Routing Header
inet6_rth_init()--Initialize Buffer Data for the IPv6 Routing Header
inet6_rth_reverse()--Reverse the Order of Addresses in the IPv6 Routing Header
inet6_rth_space()--Return the Number of Bytes Required for the IPv6 Routing Header

API introduced: V6R1