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-.\" Copyright (c) 1990, 1991, 1993
-.\"	The Regents of the University of California.  All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
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-.\"    notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\"    notice, this list of conditions and the following disclaimer in the
-.\"    documentation and/or other materials provided with the distribution.
-.\" 4. Neither the name of the University nor the names of its contributors
-.\"    may be used to endorse or promote products derived from this software
-.\"    without specific prior written permission.
-.\"
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-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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-.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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-.\" SUCH DAMAGE.
-.\"
-.\"     @(#)strdup.3	8.1 (Berkeley) 6/9/93
-.\" $FreeBSD$
-.\"
-.Dd December 5, 2008
-.Dt STRDUP 3
-.Os
-.Sh NAME
-.Nm strdup ,
-.Nm strndup
-.Nd save a copy of a string
-.Sh LIBRARY
-.Lb libc
-.Sh SYNOPSIS
-.In string.h
-.Ft char *
-.Fn strdup "const char *str"
-.Ft char *
-.Fn strndup "const char *str" "size_t len"
-.Sh DESCRIPTION
-The
-.Fn strdup
-function
-allocates sufficient memory for a copy
-of the string
-.Fa str ,
-does the copy, and returns a pointer to it.
-The pointer may subsequently be used as an
-argument to the function
-.Xr free 3 .
-.Pp
-If insufficient memory is available, NULL is returned and
-.Va errno
-is set to
-.Er ENOMEM .
-.Pp
-The
-.Fn strndup
-function copies at most
-.Fa len
-characters from the string
-.Fa str
-always
-.Dv NUL
-terminating the copied string.
-.Sh SEE ALSO
-.Xr free 3 ,
-.Xr malloc 3 ,
-.Xr wcsdup 3
-.Sh HISTORY
-The
-.Fn strdup
-function first appeared in
-.Bx 4.4 .
-The
-.Fn strndup
-function was added in
-.Fx 7.2 .