34 lines
711 B
C
34 lines
711 B
C
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <sys/socket.h>
|
||
|
|
#include <netdb.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <errno.h>
|
||
|
|
|
||
|
|
int main(int argc, char **argv)
|
||
|
|
{
|
||
|
|
struct sockaddr_in6 addr6;
|
||
|
|
socklen_t size = sizeof(addr6);
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
memset(&addr6, 0, size);
|
||
|
|
addr6.sin6_family = AF_INET6;
|
||
|
|
addr6.sin6_port = 0;
|
||
|
|
addr6.sin6_addr = in6addr_loopback;
|
||
|
|
|
||
|
|
printf("==Both nodename and servname are null if the NI_NAMEREQD flag is set==\n");
|
||
|
|
ret = getnameinfo((struct sockaddr *) &addr6, size, NULL, 0, NULL, 0, NI_NAMEREQD);
|
||
|
|
if(ret != EAI_NONAME)
|
||
|
|
{
|
||
|
|
printf("ERROR:return %d, expect error EAI_NONAME\n", ret);
|
||
|
|
printf("<=== NG ===>\n");
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
printf("<=== OK ===>\n");
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|