gai_strerror(3) - NetBSD Manual Pages

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GAI_STRERROR(3)         NetBSD Library Functions Manual        GAI_STRERROR(3)


NAME

     gai_strerror -- get 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 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 correspond-
     ing to ecode.  If ecode is out of range, an implementation-specific error
     message string is returned.


SEE ALSO

     getaddrinfo(3), getnameinfo(3)

NetBSD 4.0                     February 22, 2006                    NetBSD 4.0