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The $Id$ line is normally at the bottom of the main comment block in the
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.\"
If the immediately preceding comment is a @(#) format ID marker than the
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Approved by: bde
123 lines
3.1 KiB
Groff
123 lines
3.1 KiB
Groff
.\" Copyright (c) 1990, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" Chris Torek and the American National Standards Committee X3,
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.\" on Information Processing Systems.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)strcpy.3 8.1 (Berkeley) 6/4/93
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.\" $Id$
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.\"
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.Dd June 4, 1993
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.Dt STRCPY 3
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.Os BSD 4
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.Sh NAME
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.Nm strcpy
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.Nd copy strings
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.Sh SYNOPSIS
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.Fd #include <string.h>
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.Ft char *
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.Fn strcpy "char *dst" "const char *src"
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.Ft char *
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.Fn strncpy "char *dst" "const char *src" "size_t len"
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.Sh DESCRIPTION
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The
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.Fn strcpy
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and
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.Fn strncpy
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functions
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copy the string
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.Fa src
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to
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.Fa dst
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(including the terminating
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.Ql \e0
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character).
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.Pp
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The
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.Fn strncpy
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copies not more than
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.Fa len
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characters into
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.Fa dst ,
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appending
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.Ql \e0
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characters if
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.Fa src
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is less than
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.Fa len
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characters long, and
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.Em not
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terminating
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.Fa dst
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if
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.Fa src
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is more than
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.Fa len
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characters long.
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.Sh RETURN VALUES
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The
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.Fn strcpy
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and
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.Fn strncpy
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functions
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return
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.Fa dst .
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.Sh EXAMPLES
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The following sets
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.Dq Li chararray
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to
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.Dq Li abc\e0\e0\e0 :
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.Bd -literal -offset indent
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(void)strncpy(chararray, "abc", 6).
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.Ed
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.Pp
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The following sets
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.Dq Li chararray
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to
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.Dq Li abcdef :
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.Bd -literal -offset indent
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(void)strncpy(chararray, "abcdefgh", 6);
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.Ed
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.Sh SEE ALSO
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.Xr bcopy 3 ,
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.Xr memccpy 3 ,
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.Xr memcpy 3 ,
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.Xr memmove 3
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.Sh STANDARDS
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The
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.Fn strcpy
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and
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.Fn strncpy
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functions
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conform to
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.St -ansiC .
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