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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| 14 | .\" manual page may be incorrect or out-of-date.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 18:49:23 1993 by Rik Faith (faith@cs.unc.edu) | |
| 31a1b45e | 30 | .TH MEMSET 3 2017-03-13 "GNU" "Linux Programmer's Manual" |
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31 | .SH NAME |
| 32 | memset \- fill memory with a constant byte | |
| 33 | .SH SYNOPSIS | |
| 34 | .nf | |
| 35 | .B #include <string.h> | |
| 68e4db0a | 36 | .PP |
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37 | .BI "void *memset(void *" s ", int " c ", size_t " n ); |
| 38 | .fi | |
| 39 | .SH DESCRIPTION | |
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40 | The |
| 41 | .BR memset () | |
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42 | function fills the first |
| 43 | .I n | |
| 44 | bytes of the | |
| 45 | memory area pointed to by | |
| 46 | .I s | |
| 47 | with the constant byte | |
| 48 | .IR c . | |
| 47297adb | 49 | .SH RETURN VALUE |
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50 | The |
| 51 | .BR memset () | |
| 52 | function returns a pointer to the memory area | |
| 35cfd378 | 53 | .IR s . |
| 6c7a7380 | 54 | .SH ATTRIBUTES |
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55 | For an explanation of the terms used in this section, see |
| 56 | .BR attributes (7). | |
| 57 | .TS | |
| 58 | allbox; | |
| 59 | lb lb lb | |
| 60 | l l l. | |
| 61 | Interface Attribute Value | |
| 62 | T{ | |
| 6c7a7380 | 63 | .BR memset () |
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64 | T} Thread safety MT-Safe |
| 65 | .TE | |
| 47297adb | 66 | .SH CONFORMING TO |
| ccb2fba7 | 67 | POSIX.1-2001, POSIX.1-2008, C89, C99, SVr4, 4.3BSD. |
| 47297adb | 68 | .SH SEE ALSO |
| 879091c9 | 69 | .BR bstring (3), |
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70 | .BR bzero (3), |
| 71 | .BR swab (3), | |
| 72 | .BR wmemset (3) |