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.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one.
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date. The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein. The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" References consulted:
.\" Linux libc source code
.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
.\" 386BSD man pages
.\" Modified Sat Jul 24 18:11:47 1993 by Rik Faith (faith@cs.unc.edu)
.\" 2007-06-15, Marc Boyer <marc.boyer@enseeiht.fr> + mtk
.\" Improve discussion of strncat().
.\"
.\" Japanese Version Copyright (c) 1997 YOSHINO Takashi
.\" all rights reserved.
.\" Translated Mon Jan 20 22:47:14 JST 1997
.\" by YOSHINO Takashi <yoshino@civil.jcn.nihon-u.ac.jp>
.\" Updated & Modified Fri Feb 18 00:30:00 JST 2005
.\" by Yuichi SATO <ysato444@yahoo.co.jp>
.\" Updated 2007-07-04, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>, LDP v2.58
.\"
.TH STRCAT 3 2007-06-15 "GNU" "Linux Programmer's Manual"
.SH ̾
strcat, strncat \- ĤʸϢ뤹
.SH
.nf
.B #include <string.h>
.sp
.BI "char *strcat(char *" dest ", const char *" src );
.sp
.BI "char *strncat(char *" dest ", const char *" src ", size_t " n );
.fi
.SH
.BR strcat ()
ؿϡ\fIdest\fP ʸθ \fIsrc\fP ʸդä롣
κݤˡ\fIdest\fP κǸˤ̥Х (`\\0') Ͼ졢
줿ʸ˽üΥ̥ХȤͿ롣
Ĥʸ \fIsrc\fP \fIdest\fP ϽŤʤäƤϤʤʤ
ޤʸ \fIdest\fP ϡϢη̤ǼΤ
ʬ礭ǤʤФʤʤ
.PP
.BR strncat ()
Ʊͤʲۤʤ롣
.IP * 3
\fIsrc\fP Τ \fIn\fP ʸѤ롣
.IP *
\fIsrc\fP \fIn\fP ʸʾξ硢
\fIsrc\fP ϥ̥뽪üƤɬפϤʤ
.PP
.BR strcat ()
Ʊ\fIdest\fP ˳Ǽ̤ʸϾ˥̥뽪ü롣
.PP
\fIsrc\fP \fIn\fP ʸʾξ硢
.BR strcat ()
\fIdest\fP \fIn+1\fP ʸ
(\fIsrc\fP \fIn\fP ʸȽüΥ̥ХȤǤ)
äơ\fIdest\fP 礭ϺǤ
\fIstrlen(dest)+n+1\fP ǤʤФʤʤ
.BR strncat ()
δñʼϰʲΤ褦ʴǤ:
.in +4n
.nf
char*
strncat(char *dest, const char *src, size_t n)
{
size_t dest_len = strlen(dest);
size_t i;
for (i = 0 ; i < n && src[i] != '\\0' ; i++)
dest[dest_len + i] = src[i];
dest[dest_len + i] = '\\0';
return dest;
}
.fi
.in
.SH ֤
.BR strcat ()
ؿ
.BR strncat ()
ؿϡ̤ȤƤǤʸ
\fIdest\fP ؤΥݥ֤
.SH
SVr4, 4.3BSD, C89, C99.
.SH Ϣ
.BR bcopy (3),
.BR memccpy (3),
.BR memcpy (3),
.BR strcpy (3),
.BR strncpy (3),
.BR wcscat (3),
.BR wcsncat (3)
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