.\" Copyright (C) 2001 Information-technology Promotion Agency (IPA)
.\" Copyright (C) 2001-2003
.\"   National Institute of Advanced Industrial Science and Technology (AIST)
.\" This file si aprt of the m17n library documentation.
.\" Permission is granted to copy, distribute and/or modify this document
.\" under the terms of the GNU Free Documentation License, Version 1.2 or
.\" any later version published by the Free Software Foundation; with no
.\" Invariant Section, Front-Cover Texts "The m17n library documentation",
.\" and no Back-Cover Texts.  A copy of the license is included in the
.\" appendix entitled "GNU Free Documentation License".
.TH "mdebug_hook" 3m17n "14 Jul 2007" "" "Version 1.4.0" "" "The m17n Library" \" -*- nroff -*-
.ad l
.nh
.SH NAME
mdebug_hook - Hook function called on an error. 


.SH SYNOPSIS
int
\fBmdebug_hook\fP (void)


.SH DESCRIPTION
The
.ft B
mdebug_hook()
.ft R
function is called when an error happens. It returns -1 without doing anything. It is useful to set a break point on this function in a debugger.