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GAI_STRERROR(3) Library Functions Manual GAI_STRERROR(3)

NAME

gai_strerrorget error message string from EAI_xxx error code

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 name 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 name
EAI_NONAME
name or service not provided, or not known
EAI_OVERFLOW
argument buffer overflow
EAI_PROTOCOL
resolved protocol is unknown
EAI_SERVICE
service 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.

SEE ALSO

getaddrinfo(3), getnameinfo(3)
May 3, 2017 OpenBSD-current