IPV6_FLOWINFO_MASK   97 netinet/ip6.h  #define IPV6_FLOWINFO_MASK	0x0fffffff	/* flow info (28 bits) */
IPV6_FLOWINFO_MASK  101 netinet/ip6.h  #define IPV6_FLOWINFO_MASK	0xffffff0f	/* flow info (28 bits) */