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.\" Copyright (C) 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.\" manual page may be incorrect or out-of-date.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 18:06:49 1993 by Rik Faith (faith@cs.unc.edu)
.\" Modified Fri Aug 25 23:17:51 1995 by Andries Brouwer (aeb@cwi.nl)
.\" Modified Wed Dec 18 00:47:18 1996 by Andries Brouwer (aeb@cwi.nl)
.\" 2007-06-15, Marc Boyer <marc.boyer@enseeiht.fr> + mtk
.\" Improve discussion of strncpy().
.\"
.\" Japanese Version Copyright (c) 1997 YOSHINO Takashi
.\" all rights reserved.
.\" Translated Mon Jan 20 22:35:40 JST 1997
.\" by YOSHINO Takashi <yoshino@civil.jcn.nihon-u.ac.jp>
.\"
.\" Japanese Version Last Modified Sun Sep 5 01:48:52 1999
.\" by Kentaro Shirakata <argrath@yo.rim.or.jp>
.\" Modified for 'null/NUL translation' Sat 5 Jan 2002
.\" by NAKANO Takeo <nakano@apm.seikei.ac.jp
.\" Updated 2007-07-04, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>, LDP v2.58
.\"
.TH STRCPY 3 2007-06-15 "GNU" "Linux Programmer's Manual"
.SH ̾
strcpy, strncpy \- ʸԡ
.SH
.nf
.B #include <string.h>
.sp
.BI "char *strcpy(char *" dest ", const char *" src );
.sp
.BI "char *strncpy(char *" dest ", const char *" src ", size_t " n );
.fi
.SH
.BR strcpy ()
ؿ
\fIsrc\fP ؤʸΥ̥Х ('\\0') ޤ
\fIdest\fP ؤХåե˥ԡ롣
ĤʸϽŤʤäƤϤʤʤ¦ʸ \fIdest\fP
ԡΤ˽ʬ礭ǤʤФʤʤ
.PP
.BR strncpy ()
ؿƱͤ
\fIsrc\fP ΤǤ \fIn\fP ХȤԡʤۤʤ롣
.BR ٹ :
\fIsrc\fP κǽ \fIn\fP ХȤ˥̥ХȤʤ硢
\fIdest\fP ˳Ǽʸϥ̥ǽüʤȤˤʤ롣
.PP
.I src
Ĺ
.I n
û硢
.BR strncpy ()
.I dest
λĤ̥ХȤ롣
.PP
.BR strncpy ()
δñʼϰʲΤ褦ʴǤ:
.in +4n
.nf
char*
strncpy(char *dest, const char *src, size_t n){
size_t i;
for (i = 0 ; i < n && src[i] != '\\0' ; i++)
dest[i] = src[i];
for ( ; i < n ; i++)
dest[i] = '\\0';
return dest;
}
.fi
.in
.SH ֤
.BR strcpy ()
ؿ
.BR strncpy ()
ؿ
¦ʸ\fIdest\fPؤΥݥ֤
.SH
SVr4, 4.3BSD, C89, C99.
.SH
.BR strncpy ()
ϸΨŪǤʤְ㤤䤹ȹͤץޤ⤤
ץޤ \fIdest\fP 礭 \fIsrc\fP Ĺ
礭ȤΤäƤ (ĤޤꡢΤȤå륳ɤ
Ƥ) ϡ
.B strcpy()
ȤȤǤ롣
\fIsrc\fP κǽ \fIn\fP ʸ˽üΥ̥ХȤʤ硢
.BR strncpy ()
\fIdest\fP ˽üƤʤʸ롣
ץޤϴְ㤤ɻߤ뤿ˡ
ʲΤ褦˶Ū˽üԤȤ褯롣
.in +4n
.nf
strncpy(buf, str, n);
if (n > 0)
buf[n - 1]= '\\0';
.fi
.in
.SH Х
.BR strcpy ()
μ¦ʸʬ礭ʤ
(Ĥޤꡢץޤȴǡ
ԡ˥å뤳Ȥդä)뤫狼ʤ
Ĺʸ줵Τϥåƥ˥åǤ롣
.SH Ϣ
.BR bcopy (3),
.BR memccpy (3),
.BR memcpy (3),
.BR memmove (3),
.BR wcscpy (3),
.BR wcsncpy (3)
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