'\" t
.\"     Title: pam_error
.\"    Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author]
.\" Generator: DocBook XSL Stylesheets v1.79.2 <http://docbook.sf.net/>
.\"      Date: 05/07/2023
.\"    Manual: Linux-PAM Manual
.\"    Source: Linux-PAM
.\"  Language: English
.\"
.TH "PAM_ERROR" "3" "05/07/2023" "Linux\-PAM" "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(7)
.SH "STANDARDS"
.PP
The
\fBpam_error\fR
and
\fBpam_verror\fR
functions are Linux\-PAM extensions\&.