GAI_STRERROR(3) |
Library Functions Manual |
GAI_STRERROR(3) |
NAME
gai_strerror — get error message string from EAI_xxx error code
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
gai_strerror() 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.