projects / unix-history / blame
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| ae59e04c | 1 | .\" Copyright (c) 1990, 1991 The Regents of the University of California. |
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2 | .\" All rights reserved. |
| 3 | .\" | |
| 4 | .\" This code is derived from software contributed to Berkeley by | |
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5 | .\" Chris Torek and the American National Standards Committee X3, |
| 6 | .\" on Information Processing Systems. | |
| 7 | .\" | |
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8 | .\" %sccs.include.redist.man% |
| 9 | .\" | |
| 043368e6 | 10 | .\" @(#)memmove.3 5.5 (Berkeley) %G% |
| 79c939a0 | 11 | .\" |
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12 | .Dd |
| 13 | .Dt MEMMOVE 3 | |
| 14 | .Os | |
| 15 | .Sh NAME | |
| 16 | .Nm memmove | |
| 17 | .Nd copy byte string | |
| 18 | .Sh SYNOPSIS | |
| 19 | .Fd #include <string.h> | |
| 20 | .Ft void * | |
| 21 | .Fn memmove "void *dst" "const void *src" "size_t len" | |
| 22 | .Sh DESCRIPTION | |
| 23 | The | |
| 24 | .Fn memmove | |
| 25 | function | |
| 79c939a0 | 26 | copies |
| ae59e04c | 27 | .Fa len |
| 79c939a0 | 28 | bytes from string |
| ae59e04c | 29 | .Fa src |
| 79c939a0 | 30 | to string |
| ae59e04c | 31 | .Fa dst . |
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32 | The two strings may overlap; |
| 33 | the copy is always done in a non-destructive manner. | |
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34 | .Sh RETURN VALUES |
| 35 | The | |
| 36 | .Fn memmove | |
| 37 | function returns the original value of | |
| 38 | .Fa dst . | |
| 39 | .Sh SEE ALSO | |
| 40 | .Xr bcopy 3 , | |
| 41 | .Xr memccpy 3 , | |
| 42 | .Xr memcpy 3 , | |
| 43 | .Xr strcpy 3 | |
| 44 | .Sh STANDARDS | |
| 45 | The | |
| 46 | .Fn memmove | |
| 47 | function | |
| 48 | conforms to | |
| 49 | .St -ansiC . |