| 1 | .\" Copyright (c) 1990, 1991, 1993 |
| 2 | .\" The Regents of the University of California. All rights reserved. |
| 3 | .\" |
| 4 | .\" This code is derived from software contributed to Berkeley by |
| 5 | .\" Chris Torek and the American National Standards Committee X3, |
| 6 | .\" on Information Processing Systems. |
| 7 | .\" |
| 8 | .\" Redistribution and use in source and binary forms, with or without |
| 9 | .\" modification, are permitted provided that the following conditions |
| 10 | .\" are met: |
| 11 | .\" 1. Redistributions of source code must retain the above copyright |
| 12 | .\" notice, this list of conditions and the following disclaimer. |
| 13 | .\" 2. Redistributions in binary form must reproduce the above copyright |
| 14 | .\" notice, this list of conditions and the following disclaimer in the |
| 15 | .\" documentation and/or other materials provided with the distribution. |
| 16 | .\" 3. All advertising materials mentioning features or use of this software |
| 17 | .\" must display the following acknowledgement: |
| 18 | .\" This product includes software developed by the University of |
| 19 | .\" California, Berkeley and its contributors. |
| 20 | .\" 4. Neither the name of the University nor the names of its contributors |
| 21 | .\" may be used to endorse or promote products derived from this software |
| 22 | .\" without specific prior written permission. |
| 23 | .\" |
| 24 | .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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| 26 | .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 27 | .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 28 | .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 29 | .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 33 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 34 | .\" SUCH DAMAGE. |
| 35 | .\" |
| 36 | .\" @(#)memmove.3 8.1 (Berkeley) 6/4/93 |
| 37 | .\" $FreeBSD: src/lib/libc/string/memmove.3,v 1.3.2.3 2001/12/14 18:33:59 ru Exp $ |
| 38 | .\" $DragonFly: src/lib/libc/string/memmove.3,v 1.2 2003/06/17 04:26:46 dillon Exp $ |
| 39 | .\" |
| 40 | .Dd June 4, 1993 |
| 41 | .Dt MEMMOVE 3 |
| 42 | .Os |
| 43 | .Sh NAME |
| 44 | .Nm memmove |
| 45 | .Nd copy byte string |
| 46 | .Sh LIBRARY |
| 47 | .Lb libc |
| 48 | .Sh SYNOPSIS |
| 49 | .In string.h |
| 50 | .Ft void * |
| 51 | .Fn memmove "void *dst" "const void *src" "size_t len" |
| 52 | .Sh DESCRIPTION |
| 53 | The |
| 54 | .Fn memmove |
| 55 | function |
| 56 | copies |
| 57 | .Fa len |
| 58 | bytes from string |
| 59 | .Fa src |
| 60 | to string |
| 61 | .Fa dst . |
| 62 | The two strings may overlap; |
| 63 | the copy is always done in a non-destructive manner. |
| 64 | .Sh RETURN VALUES |
| 65 | The |
| 66 | .Fn memmove |
| 67 | function returns the original value of |
| 68 | .Fa dst . |
| 69 | .Sh SEE ALSO |
| 70 | .Xr bcopy 3 , |
| 71 | .Xr memccpy 3 , |
| 72 | .Xr memcpy 3 , |
| 73 | .Xr strcpy 3 |
| 74 | .Sh STANDARDS |
| 75 | The |
| 76 | .Fn memmove |
| 77 | function |
| 78 | conforms to |
| 79 | .St -isoC . |