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