inet6_rth_add() — Add an IPv6 address to end of the routing header

Standards

Format

#define _OPEN_SYS_SOCK_IPV6
#include <netinet/in.h>

int inet6_rth_add(void *bp, const struct in6_addr *addr); 

General description

inet6_rth_add() adds the IPv6 address pointed to by addr to the end of the routing header that is being constructed.

Returned value

If successful, inet6_rth_add() returns 0 and the segleft member of the routing header is updated to account for the new address.

Upon failure, returns -1 and errno is set to one of the following:

EINVAL If one of the following is true:

Related information

• netinet/in.h
• inet6_rth_getaddr() — Return pointer to the IPv6 address specified
• inet6_rth_init() — Initialize an IPv6 routing header buffer
• inet6_rth_reverse() — Reverse the order of the addresses
• inet6_rth_segments() — Return number of segments contained in header
• inet6_rth_space() — Return number of bytes for a routing header