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Manual Pages  — GAI_STRERROR

NAME

gai_strerror – get error message string from EAI_xxx error code

CONTENTS

SYNOPSIS

#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>

const char *
gai_strerror(int ecode);

DESCRIPTION

The gai_strerror() function returns an error message string corresponding to the error code returned by getaddrinfo(3) or getnameinfo(3).

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.

SEE ALSO

getaddrinfo(3), getnameinfo(3)

GAI_STRERROR (3) May 21, 2006

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