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+'\" et
+.TH GAI_STRERROR "3P" 2017 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\"
+.SH 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.
+.\"
+.SH NAME
+gai_strerror
+\(em address and name information error description
+.SH SYNOPSIS
+.LP
+.nf
+#include <netdb.h>
+.P
+const char *gai_strerror(int \fIecode\fP);
+.fi
+.SH DESCRIPTION
+The
+\fIgai_strerror\fR()
+function shall return a text string describing an error value for the
+\fIgetaddrinfo\fR()
+and
+\fIgetnameinfo\fR()
+functions listed in the
+.IR <netdb.h> 
+header.
+.P
+When the
+.IR ecode
+argument is one of the following values listed in the
+.IR <netdb.h> 
+header:
+.TS
+tab(!);
+le le.
+T{
+.nf
+.BR [EAI_AGAIN] 
+.BR [EAI_BADFLAGS] 
+.BR [EAI_FAIL] 
+.BR [EAI_FAMILY] 
+.BR [EAI_MEMORY] 
+T}!T{
+.nf
+.BR [EAI_NONAME] 
+.BR [EAI_OVERFLOW] 
+.BR [EAI_SERVICE] 
+.BR [EAI_SOCKTYPE] 
+.BR [EAI_SYSTEM] 
+.fi
+T}
+.TE
+.P
+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.
+.SH "RETURN VALUE"
+Upon successful completion,
+\fIgai_strerror\fR()
+shall return a pointer to an implementation-defined string.
+.SH "ERRORS"
+No errors are defined.
+.LP
+.IR "The following sections are informative."
+.SH EXAMPLES
+None.
+.SH "APPLICATION USAGE"
+None.
+.SH RATIONALE
+None.
+.SH "FUTURE DIRECTIONS"
+None.
+.SH "SEE ALSO"
+.IR "\fIfreeaddrinfo\fR\^(\|)"
+.P
+The Base Definitions volume of POSIX.1\(hy2017,
+.IR "\fB<netdb.h>\fP"
+.\"
+.SH COPYRIGHT
+Portions of this text are reprinted and reproduced in electronic form
+from IEEE Std 1003.1-2017, Standard for Information Technology
+-- Portable Operating System Interface (POSIX), The Open Group Base
+Specifications Issue 7, 2018 Edition,
+Copyright (C) 2018 by the Institute of
+Electrical and Electronics Engineers, Inc and The Open Group.
+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.opengroup.org/unix/online.html .
+.PP
+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 .