.\" Copyright (C) 2001 Information-technology Promotion Agency (IPA)
.\" Copyright (C) 2001-2009
.\"   National Institute of Advanced Industrial Science and Technology (AIST)
.\" This file is part 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, no Front-Cover Texts,
.\" and no Back-Cover Texts.  A copy of the license is included in the
.\" appendix entitled "GNU Free Documentation License".
.TH "mtext_ncpy" 3m17n "15 Oct 2009" "" "Version 1.5.5" "" "The m17n Library" \" -*- nroff -*-
.ad l
.nh
.SH NAME
mtext_ncpy \- Copy the first some characters in an M\-text to another. 


.SH SYNOPSIS
\fBMText\fP*
\fBmtext_ncpy\fP (\fBMText\fP *
\fImt1\fP, \fBMText\fP *
\fImt2\fP, int
\fIn\fP)


.SH DESCRIPTION
Copy the first some characters in an M\-text to another. 
.PP
The
.ft B
mtext_ncpy()
.ft R
function copies the first
.ft B
n
.ft R
characters of M\-text
.ft B
mt2
.ft R
to M\-text
.ft B
mt1
.ft R
while inheriting all the text properties. If the length of
.ft B
mt2
.ft R
is less than
.ft B
n\fP,
.ft R
all characters of
.ft B
mt2
.ft R
are copied. The old text in
.ft B
mt1
.ft R
is overwritten and the length of
.ft B
mt1
.ft R
is extended if necessary.
.ft B
mt2
.ft R
is not modified.
.PP
.SH RETURN VALUE
.PP
.RS 4
If the operation was successful,
.ft B
mtext_ncpy()
.ft R
returns a pointer to the resulting M\-text
.ft B
mt1\fP.
.ft R
If an error is detected, it returns
.ft C
NULL
.ft R
and assigns an error code to the global variable
.ft B
merror_code\fP.
.ft R
.RE
.PP
.SH ERRORS
.PP
.RS 4
\fCMERROR_RANGE
.ft R
.RE
.PP
.SH "SEE ALSO"
.PP
.RS 4
\fBmtext_cpy()\fP,
.ft R
.ft B
mtext_copy()
.ft R
.RE
.PP

.SH COPYRIGHT
Copyright (C) 2001 Information\-technology Promotion Agency (IPA)
.br
Copyright (C) 2001\-2009 National Institute of Advanced Industrial Science and Technology (AIST)
.br
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License 
<http://www.gnu.org/licenses/fdl.html>.
