#ifndef ISC_IPV6_H
#define ISC_IPV6_H 1
#define LWRES_IPV6_H 1
#include <isc/int.h>
#include <isc/platform.h>
struct in6_addr {
union {
isc_uint8_t _S6_u8[16];
isc_uint16_t _S6_u16[8];
isc_uint32_t _S6_u32[4];
} _S6_un;
};
#define s6_addr _S6_un._S6_u8
#define s6_addr8 _S6_un._S6_u8
#define s6_addr16 _S6_un._S6_u16
#define s6_addr32 _S6_un._S6_u32
#define IN6ADDR_ANY_INIT {{{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }}}
#define IN6ADDR_LOOPBACK_INIT {{{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }}}
LIBISC_EXTERNAL_DATA extern const struct in6_addr in6addr_any;
LIBISC_EXTERNAL_DATA extern const struct in6_addr in6addr_loopback;
struct sockaddr_in6 {
#ifdef ISC_PLATFORM_HAVESALEN
isc_uint8_t sin6_len;
isc_uint8_t sin6_family;
#else
isc_uint16_t sin6_family;
#endif
isc_uint16_t sin6_port;
isc_uint32_t sin6_flowinfo;
struct in6_addr sin6_addr;
isc_uint32_t sin6_scope_id;
};
#ifdef ISC_PLATFORM_HAVESALEN
#define SIN6_LEN 1
#endif
#define IN6_IS_ADDR_UNSPECIFIED(a) \
(((a)->s6_addr32[0] == 0) && \
((a)->s6_addr32[1] == 0) && \
((a)->s6_addr32[2] == 0) && \
((a)->s6_addr32[3] == 0))
#define IN6_IS_ADDR_LOOPBACK(a) \
(((a)->s6_addr32[0] == 0) && \
((a)->s6_addr32[1] == 0) && \
((a)->s6_addr32[2] == 0) && \
((a)->s6_addr32[3] == htonl(1)))
#define IN6_IS_ADDR_V4COMPAT(a) \
(((a)->s6_addr32[0] == 0) && \
((a)->s6_addr32[1] == 0) && \
((a)->s6_addr32[2] == 0) && \
((a)->s6_addr32[3] != 0) && \
((a)->s6_addr32[3] != htonl(1)))
#define IN6_IS_ADDR_V4MAPPED(a) \
(((a)->s6_addr32[0] == 0) && \
((a)->s6_addr32[1] == 0) && \
((a)->s6_addr32[2] == htonl(0x0000ffff)))
#define IN6_IS_ADDR_MULTICAST(a) \
((a)->s6_addr8[0] == 0xffU)
#define IN6_IS_ADDR_LINKLOCAL(a) \
(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80))
#define IN6_IS_ADDR_SITELOCAL(a) \
(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0))
#endif