ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 453 netinet/icmp6.h #define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80000000 ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 456 netinet/icmp6.h #define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80