.\" 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
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.TH "mchar_map_charset" 3m17n "14 Jul 2007" "" "Version 1.4.0" "" "The m17n Library" \" -*- nroff -*-
.ad l
.nh
.SH NAME
mchar_map_charset - Call a function for all the characters in a specified charset. 


.SH SYNOPSIS
int
\fBmchar_map_charset\fP (\fBMSymbol\fP
\fIcharset_name\fP, void(*)(int
\fIfrom\fP, int
\fIto\fP, void *arg)
\fIfunc\fP, void *
\fIfunc_arg\fP)


.SH DESCRIPTION
The mcharset_map_chars() function calls
.ft B
func
.ft R
for all the characters in the charset named
.ft B
charset_name\fP.
.ft R
A call is done for a chunk of consecutive characters rather than character by character.
.PP
.SS func
.ft R
receives three arguments:
.ft B
from\fP,
.ft R
.ft B
to\fP,
.ft R
and
.ft B
arg\fP.
.ft R
.ft B
from
.ft R
and
.ft B
to
.ft R
specify the range of character codes in
.ft B
charset\fP.
.ft R
.ft B
arg
.ft R
is the same as
.ft B
func_ar.
.PP
.SH RETURN VALUE
.PP.RS 4
If the operation was successful, mcharset_map_chars() returns 0. Otherwise, it returns -1 and assigns an error code to the external variable
.ft B
merror_code\fP.
.ft R
.RE
.PP
.SH ERRORS
.PP.RS 4
\fCMERROR_CHARSET
.ft R
.RE
.PP