.\"-
.\" Copyright (c) 2001-2003 Networks Associates Technology, Inc.
.\" Copyright (c) 2004-2011 Dag-Erling Smørgrav
.\" All rights reserved.
.\"
.\" This software was developed for the FreeBSD Project by ThinkSec AS and
.\" Network Associates Laboratories, the Security Research Division of
.\" Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
.\" ("CBOSS"), as part of the DARPA CHATS research program.
.\"
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.\" $Id$
.\"
.Dd December 18, 2011
.Dt PAM_STRERROR 3
.Os
.Sh NAME
.Nm pam_strerror
.Nd get PAM standard error message string
.Sh LIBRARY
.Lb libpam
.Sh SYNOPSIS
.In sys/types.h
.In security/pam_appl.h
.Ft "const char *"
.Fn pam_strerror "const pam_handle_t *pamh" "int error_number"
.Sh DESCRIPTION
The
.Nm
function returns a pointer to a string containing a
textual description of the error indicated by the
.Fa error_number
argument.
The
.Fa pamh
argument is ignored.
For compatibility with other implementations, it should be either a
valid PAM handle returned by a previous call to
.Xr pam_start 3 ,
or
.Dv NULL .
.Sh RETURN VALUES
The
.Nm
function returns
.Dv NULL
on failure.
.Sh SEE ALSO
.Xr pam 3 ,
.Xr pam_start 3
.Sh STANDARDS
.Rs
.%T "X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules"
.%D "June 1997"
.Re
.Sh AUTHORS
The
.Nm
function and this manual page were developed for the
.Fx
Project by
ThinkSec AS and Network Associates Laboratories, the
Security Research Division of Network Associates, Inc.\& under
DARPA/SPAWAR contract N66001-01-C-8035
.Pq Dq CBOSS ,
as part of the DARPA CHATS research program.