#include <netinet/in.h>

#define T(t) (t*)0;

#define F(t,n) {t *y = &x.;;}

#define C(n) switch(n){case n:;}

#define I(t,e) {t x[sizeof(t)==sizeof(e)] = {e};}

static void f()

{

T(in_port_t)

T(in_addr_t)

T(sa_family_t)

T(uint8_t)

T(uint32_t)

{

struct in_addr x;

F(in_addr_t, s_addr)

}

{

struct sockaddr_in x;

F(sa_family_t, sin_family)

F(in_port_t, sin_port)

F(struct in_addr, sin_addr)

}

{

struct in6_addr x;

F(uint8_t, s6_addr[16])

}

{

struct sockaddr_in6 x;

F(sa_family_t, sin6_family)

F(in_port_t, sin6_port)

F(uint32_t, sin6_flowinfo)

F(struct in6_addr, sin6_addr)

F(uint32_t, sin6_scope_id)

}

{const struct in6_addr *x = &in6addr_any;}

{const struct in6_addr *x = &in6addr_loopback;}

{struct in6_addr x = IN6ADDR_ANY_INIT;}

{struct in6_addr x = IN6ADDR_LOOPBACK_INIT;}

{

struct ipv6_mreq x;

F(struct in6_addr, ipv6mr_multiaddr)

F(unsigned, ipv6mr_interface)

}

C(IPPROTO_IP)

C(IPPROTO_IPV6)

C(IPPROTO_ICMP)

C(IPPROTO_RAW)

C(IPPROTO_TCP)

C(IPPROTO_UDP)

C(INADDR_ANY)

C(INADDR_BROADCAST)

C(INET_ADDRSTRLEN)

I(uint32_t,htonl(0LL))

I(uint16_t,htons(0LL))

I(uint32_t,ntohl(0LL))

I(uint16_t,ntohs(0LL))

C(INET6_ADDRSTRLEN)

C(IPV6_JOIN_GROUP)

C(IPV6_LEAVE_GROUP)

C(IPV6_MULTICAST_HOPS)

C(IPV6_MULTICAST_IF)

C(IPV6_MULTICAST_LOOP)

C(IPV6_UNICAST_HOPS)

C(IPV6_V6ONLY)

I(int,IN6_IS_ADDR_UNSPECIFIED(&in6addr_any))

I(int,IN6_IS_ADDR_LOOPBACK(&in6addr_any))

I(int,IN6_IS_ADDR_MULTICAST(&in6addr_any))

I(int,IN6_IS_ADDR_LINKLOCAL(&in6addr_any))

I(int,IN6_IS_ADDR_SITELOCAL(&in6addr_any))

I(int,IN6_IS_ADDR_V4MAPPED(&in6addr_any))

I(int,IN6_IS_ADDR_V4COMPAT(&in6addr_any))

I(int,IN6_IS_ADDR_MC_NODELOCAL(&in6addr_any))

I(int,IN6_IS_ADDR_MC_LINKLOCAL(&in6addr_any))

I(int,IN6_IS_ADDR_MC_SITELOCAL(&in6addr_any))

I(int,IN6_IS_ADDR_MC_ORGLOCAL(&in6addr_any))

I(int,IN6_IS_ADDR_MC_GLOBAL(&in6addr_any))

}