#include #include /* The unspecified IPv6 address. */ struct in6_addr anyv6 = IN6ADDR_ANY_INIT; int main (void) { int errors = 0; int errval; /* Test the unspecifed IPv6 address. */ errval = 0x3453456; if (getipnodebyaddr (&anyv6, sizeof (anyv6), AF_INET6, &errval) != NULL || errval != HOST_NOT_FOUND) { puts ("getipnodenyaddr(in6addr_any,...) != NULL"); ++errors; } return errors != NULL; }