1.\" 2.\" Copyright (c) 2016 The DragonFly Project. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in 12.\" the documentation and/or other materials provided with the 13.\" distribution. 14.\" 3. Neither the name of The DragonFly Project nor the names of its 15.\" contributors may be used to endorse or promote products derived 16.\" from this software without specific, prior written permission. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20.\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 21.\" FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 22.\" COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 23.\" INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 24.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 26.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 27.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 28.\" OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29.\" SUCH DAMAGE. 30.\" 31.Dd June 5, 2016 32.Dt KSTRDUP 9 33.Os 34.Sh NAME 35.Nm kstrdup , 36.Nm kstrndup 37.Nd save a copy of a string 38.Sh SYNOPSIS 39.In sys/malloc.h 40.Ft char * 41.Fn kstrdup "const char *str" "struct malloc_type *type" 42.Ft char * 43.Fn kstrndup "const char *str" "size_t maxlen" "struct malloc_type *type" 44.Sh DESCRIPTION 45The 46.Fn kstrdup 47function allocates sufficient memory of type 48.Fa type 49for a copy of the string 50.Fa str , 51does the copy, and returns a pointer to it. 52The pointer may subsequently be used as an 53argument to the function 54.Xr kfree 9 . 55.Pp 56The 57.Fn kstrndup 58function copies at most 59.Fa maxlen 60characters from the string 61.Fa str 62and will always 63.Dv NUL 64terminate the copied string. 65.Sh SEE ALSO 66.Xr kfree 9 , 67.Xr kmalloc 9 68