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Get error message string from EAI_xxx error code.

#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
const char *


The gai_strerror() function returns an error message string corresponding to the error code returned by getaddrinfo or getnameinfo.

The following error codes and their meaning are defined in <netdb.h>:

EAI_AGAIN temporary failure in name resolution
EAI_BADFLAGS invalid value for ai_flags
EAI_BADHINTS invalid value for hints
EAI_FAIL non-recoverable failure in name resolution
EAI_FAMILY ai_family not supported
EAI_MEMORY memory allocation failure
EAI_NONAME hostname or servname not provided, or not known
EAI_OVERFLOW argument buffer overflow
EAI_PROTOCOL resolved protocol is unknown
EAI_SERVICE servname not supported for ai_socktype
EAI_SOCKTYPE ai_socktype not supported
EAI_SYSTEM system error returned in errno

Return Values

The gai_strerror() function returns a pointer to the error message string corresponding to ecode. If ecode is out of range, an implementation-specific error message string is returned.


Versions Link to
INtime 4.0 netlib.lib
See Also