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+'\" t
+.\"     Title: pam_error
+.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
+.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
+.\"      Date: 05/18/2017
+.\"    Manual: Linux-PAM Manual
+.\"    Source: Linux-PAM Manual
+.\"  Language: English
+.\"
+.TH "PAM_ERROR" "3" "05/18/2017" "Linux-PAM Manual" "Linux-PAM Manual"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "NAME"
+pam_error, pam_verror \- display error messages to the user
+.SH "SYNOPSIS"
+.sp
+.ft B
+.nf
+#include <security/pam_ext\&.h>
+.fi
+.ft
+.HP \w'int\ pam_error('u
+.BI "int pam_error(pam_handle_t\ *" "pamh" ", const\ char\ *" "fmt" ", " "\&.\&.\&." ");"
+.HP \w'int\ pam_verror('u
+.BI "int pam_verror(pam_handle_t\ *" "pamh" ", const\ char\ *" "fmt" ", va_list\ " "args" ");"
+.SH "DESCRIPTION"
+.PP
+The
+\fBpam_error\fR
+function prints error messages through the conversation function to the user\&.
+.PP
+The
+\fBpam_verror\fR
+function performs the same task as
+\fBpam_error()\fR
+with the difference that it takes a set of arguments which have been obtained using the
+\fBstdarg\fR(3)
+variable argument list macros\&.
+.SH "RETURN VALUES"
+.PP
+PAM_BUF_ERR
+.RS 4
+Memory buffer error\&.
+.RE
+.PP
+PAM_CONV_ERR
+.RS 4
+Conversation failure\&.
+.RE
+.PP
+PAM_SUCCESS
+.RS 4
+Error message was displayed\&.
+.RE
+.PP
+PAM_SYSTEM_ERR
+.RS 4
+System error\&.
+.RE
+.SH "SEE ALSO"
+.PP
+\fBpam_info\fR(3),
+\fBpam_vinfo\fR(3),
+\fBpam_prompt\fR(3),
+\fBpam_vprompt\fR(3),
+\fBpam\fR(8)
+.SH "STANDARDS"
+.PP
+The
+\fBpam_error\fR
+and
+\fBpam_verror\fR
+functions are Linux\-PAM extensions\&.