GAI_STRERROR(3) BSD Library Functions Manual GAI_STRERROR(3)NAMEgai_strerror — get error message string from EAI_xxx error code
LIBRARY
Standard C Library (libc, -lc)
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_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-spe‐
cific error message string is returned.
SEE ALSOgetaddrinfo(3), getnameinfo(3)BSD October 4, 2008 BSD
