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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.\" manual page may be incorrect or out-of-date.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 Sun Jul 25 10:41:34 1993 by Rik Faith (faith@cs.unc.edu)
.\" Modified Wed Oct 17 01:12:26 2001 by John Levon <moz@compsoc.man.ac.uk>
.\"
.\" Japanese Version Copyright (c) 1997 YOSHINO Takashi
.\" all rights reserved.
.\" Translated Mon Jan 20 22:31:05 JST 1997
.\" by YOSHINO Takashi <yoshino@civil.jcn.nihon-u.ac.jp>
.\" Updated Fri Nov 2 JST 2001 by Kentaro Shirakata <argrath@ub32.org>
.\"
.TH STRDUP 3 1993-04-12 "GNU" "Linux Programmer's Manual"
.SH ̾
strdup, strndup, strdupa, strndupa \- ʸʣ
.SH
.nf
.B #include <string.h>
.sp
.BI "char *strdup(const char *" s );
.sp
.B #define _GNU_SOURCE
.br
.B #include <string.h>
.sp
.BI "char *strndup(const char *" s ", size_t " n );
.br
.BI "char *strdupa(const char *" s );
.br
.BI "char *strndupa(const char *" s ", size_t " n );
.sp
.fi
.SH
\fBstrdup()\fP ؿϡʸ \fIs\fPʣǤ
ʸؤΥݥ֤
ʸΤΥ\fBmalloc\fP(3)Ƥ롣
ơ\fBfree\fP(3)Dz뤳ȤǤ롣
\fBstrndup()\fP ؿƱͤǤ뤬 \fIn\fP ʸʣ롣
\fIs\fP \fIn\fP Ĺ硢\fIn\fP ʸʣ졢
ü NUL ʸɲä롣
\fBstrdupa\fP \fBstrndupa\fP ؿƱͤǤ뤬
ХåեƤΤ \fBalloca(3)\fP Ѥ롣
δؿ GNU GCC ѤˤΤͭǡ
\fBalloca(3)\fP ǵҤƤΤƱͤ¤롣
.SH ֤
\fBstrdup()\fPؿʣ줿ʸؤΥݥޤ
ʬʥ꤬ݤǤʤäˤNULL֤
.SH 顼
.TP
.B ENOMEM
ʣ줿ʸƤ뽽ʬʥ꤬ݤǤʤä
.SH
SVID 3, BSD 4.3.
\fBstrndup()\fP, \fBstrdupa()\fP, \fBstrndupa()\fP GNU ĥǤ롣
.SH Ϣ
.BR alloca (3),
.BR calloc (3),
.BR free (3),
.BR malloc (3),
.BR realloc (3)
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