inet6_rth_getaddr Subroutine
Purpose
Returns a pointer to a specific IPv6 address in a Routing header.
Syntax
struct in6_addr *inet6_rth_getaddr(const void *bp, int index);
Description
The inet6_rth_getaddr subroutine returns a pointer to the IPv6 address specified by index in the Routing header described by bp. An application should first call inet6_rth_segments() to obtain the number of segments in the Routing header.
Parameters
| Item | Description |
|---|---|
| bp | Points to the Routing header. |
| index | Specifies the index of the IPv6 address that must be returned. The value of index must be between 0 and one less than the value returned by inet6_rth_segments(). |
Return Values
| Item | Description |
|---|---|
| NULL | The inet6_rth_getaddr subroutine failed. |
| Valid pointer | Pointer to the address indexed by index. |