unformat_function_t unformat_ip6_header;
format_function_t format_ip6_header;
unformat_function_t unformat_pg_ip6_header;
/* Format a TCP/UDP headers. */
unformat_function_t unformat_ip6_header;
format_function_t format_ip6_header;
unformat_function_t unformat_pg_ip6_header;
/* Format a TCP/UDP headers. */