projects / thirdparty / man-pages.git / blame
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1 | .\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) |
| 2 | .\" | |
| 4b72fb64 | 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| 14 | .\" manual page may be incorrect or out-of-date.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 Sun Jul 25 10:41:09 1993 by Rik Faith (faith@cs.unc.edu) | |
| be78d881 | 30 | .TH MEMCPY 3 2010-11-15 "" "Linux Programmer's Manual" |
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31 | .SH NAME |
| 32 | memcpy \- copy memory area | |
| 33 | .SH SYNOPSIS | |
| 34 | .nf | |
| 35 | .B #include <string.h> | |
| 36 | .sp | |
| 37 | .BI "void *memcpy(void *" dest ", const void *" src ", size_t " n ); | |
| 38 | .fi | |
| 39 | .SH DESCRIPTION | |
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40 | The |
| 41 | .BR memcpy () | |
| 42 | function copies \fIn\fP bytes from memory area | |
| c13182ef | 43 | \fIsrc\fP to memory area \fIdest\fP. |
| be78d881 | 44 | The memory areas must not overlap. |
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45 | Use |
| 46 | .BR memmove (3) | |
| 47 | if the memory areas do overlap. | |
| 47297adb | 48 | .SH RETURN VALUE |
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49 | The |
| 50 | .BR memcpy () | |
| 51 | function returns a pointer to \fIdest\fP. | |
| 47297adb | 52 | .SH CONFORMING TO |
| 1eb85d14 | 53 | SVr4, 4.3BSD, C89, C99, POSIX.1-2001. |
| 47297adb | 54 | .SH SEE ALSO |
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55 | .BR bcopy (3), |
| 56 | .BR memccpy (3), | |
| 57 | .BR memmove (3), | |
| 58 | .BR mempcpy (3), | |
| 59 | .BR strcpy (3), | |
| 60 | .BR strncpy (3), | |
| 61 | .BR wmemcpy (3) |