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PROLOG

       This  manual  page  is part of the POSIX Programmer's Manual.  The Linux implementation of
       this interface may differ (consult the corresponding Linux  manual  page  for  details  of
       Linux behavior), or the interface may not be implemented on Linux.

NAME

       gai_strerror — address and name information error description

SYNOPSIS

       #include <netdb.h>

       const char *gai_strerror(int ecode);

DESCRIPTION

       The  gai_strerror()  function shall return a text string describing an error value for the
       getaddrinfo() and getnameinfo() functions listed in the <netdb.h> header.

       When the ecode argument is one of the following values listed in the <netdb.h> header:

       [EAI_AGAIN]      [EAI_NONAME]
       [EAI_BADFLAGS]   [EAI_OVERFLOW]
       [EAI_FAIL]       [EAI_SERVICE]
       [EAI_FAMILY]     [EAI_SOCKTYPE]
       [EAI_MEMORY]     [EAI_SYSTEM]

       the function return value shall point to a string describing the error.  If  the  argument
       is not one of those values, the function shall return a pointer to a string whose contents
       indicate an unknown error.

RETURN VALUE

       Upon successful completion, gai_strerror() shall return a pointer  to  an  implementation-
       defined string.

ERRORS

       No errors are defined.

       The following sections are informative.

EXAMPLES

       None.

APPLICATION USAGE

       None.

RATIONALE

       None.

FUTURE DIRECTIONS

       None.

SEE ALSO

       freeaddrinfo()

       The Base Definitions volume of POSIX.1‐2008, <netdb.h>

COPYRIGHT

       Portions  of  this  text  are  reprinted  and  reproduced in electronic form from IEEE Std
       1003.1, 2013 Edition, Standard for Information Technology  --  Portable  Operating  System
       Interface  (POSIX),  The Open Group Base Specifications Issue 7, Copyright (C) 2013 by the
       Institute of Electrical and Electronics Engineers, Inc  and  The  Open  Group.   (This  is
       POSIX.1-2008  with  the  2013  Technical  Corrigendum  1  applied.)  In  the  event of any
       discrepancy between this version and the original IEEE and The Open  Group  Standard,  the
       original  IEEE  and The Open Group Standard is the referee document. The original Standard
       can be obtained online at http://www.unix.org/online.html .

       Any typographical or formatting errors that appear in this page are most  likely  to  have
       been  introduced  during  the conversion of the source files to man page format. To report
       such errors, see https://www.kernel.org/doc/man-pages/reporting_bugs.html .