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1 | .\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) |
2 | .\" | |
93015253 | 3 | .\" %%%LICENSE_START(VERBATIM) |
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4 | .\" Permission is granted to make and distribute verbatim copies of this |
5 | .\" manual provided the copyright notice and this permission notice are | |
6 | .\" preserved on all copies. | |
7 | .\" | |
8 | .\" Permission is granted to copy and distribute modified versions of this | |
9 | .\" manual under the conditions for verbatim copying, provided that the | |
10 | .\" entire resulting derived work is distributed under the terms of a | |
11 | .\" permission notice identical to this one. | |
c13182ef | 12 | .\" |
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13 | .\" Since the Linux kernel and libraries are constantly changing, this |
14 | .\" manual page may be incorrect or out-of-date. The author(s) assume no | |
15 | .\" responsibility for errors or omissions, or for damages resulting from | |
16 | .\" the use of the information contained herein. The author(s) may not | |
17 | .\" have taken the same level of care in the production of this manual, | |
18 | .\" which is licensed free of charge, as they might when working | |
19 | .\" professionally. | |
c13182ef | 20 | .\" |
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21 | .\" Formatted or processed versions of this manual, if unaccompanied by |
22 | .\" the source, must acknowledge the copyright and authors of this work. | |
4b72fb64 | 23 | .\" %%%LICENSE_END |
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24 | .\" |
25 | .\" References consulted: | |
26 | .\" Linux libc source code | |
27 | .\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) | |
28 | .\" 386BSD man pages | |
29 | .\" Modified Sat Jul 24 18:49:59 1993 by Rik Faith (faith@cs.unc.edu) | |
31a1b45e | 30 | .TH MEMMOVE 3 2017-03-13 "GNU" "Linux Programmer's Manual" |
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31 | .SH NAME |
32 | memmove \- copy memory area | |
33 | .SH SYNOPSIS | |
34 | .nf | |
35 | .B #include <string.h> | |
68e4db0a | 36 | .PP |
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37 | .BI "void *memmove(void *" dest ", const void *" src ", size_t " n ); |
38 | .fi | |
39 | .SH DESCRIPTION | |
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40 | The |
41 | .BR memmove () | |
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42 | function copies |
43 | .I n | |
44 | bytes from memory area | |
45 | .I src | |
46 | to memory area | |
47 | .IR dest . | |
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48 | The memory areas may overlap: copying takes place as though |
49 | the bytes in | |
50 | .I src | |
51 | are first copied into a temporary array that does not overlap | |
52 | .I src | |
53 | or | |
4bfc3573 | 54 | .IR dest , |
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55 | and the bytes are then copied from the temporary array to |
56 | .IR dest . | |
47297adb | 57 | .SH RETURN VALUE |
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58 | The |
59 | .BR memmove () | |
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60 | function returns a pointer to |
61 | .IR dest . | |
69351e5a | 62 | .SH ATTRIBUTES |
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63 | For an explanation of the terms used in this section, see |
64 | .BR attributes (7). | |
65 | .TS | |
66 | allbox; | |
67 | lb lb lb | |
68 | l l l. | |
69 | Interface Attribute Value | |
70 | T{ | |
69351e5a | 71 | .BR memmove () |
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72 | T} Thread safety MT-Safe |
73 | .TE | |
47297adb | 74 | .SH CONFORMING TO |
857657de | 75 | POSIX.1-2001, POSIX.1-2008, C89, C99, SVr4, 4.3BSD. |
47297adb | 76 | .SH SEE ALSO |
fea681da | 77 | .BR bcopy (3), |
879091c9 | 78 | .BR bstring (3), |
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79 | .BR memccpy (3), |
80 | .BR memcpy (3), | |
81 | .BR strcpy (3), | |
82 | .BR strncpy (3), | |
83 | .BR wmemmove (3) |