NAME
gai_strerror —
get error message string from EAI_xxx
error code
LIBRARY
library “libc”
SYNOPSIS
#include
<sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
const char *
gai_strerror(int
ecode);
DESCRIPTION
Thegai_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_ADDRFAMILY- address family for hostname not supported
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_NODATA- no address associated with hostname
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.