| .\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) |
| .\" |
| .\" %%%LICENSE_START(VERBATIM) |
| .\" Permission is granted to make and distribute verbatim copies of this |
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| .\" Permission is granted to copy and distribute modified versions of this |
| .\" manual under the conditions for verbatim copying, provided that the |
| .\" entire resulting derived work is distributed under the terms of a |
| .\" permission notice identical to this one. |
| .\" |
| .\" Since the Linux kernel and libraries are constantly changing, this |
| .\" manual page may be incorrect or out-of-date. The author(s) assume no |
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| .\" Formatted or processed versions of this manual, if unaccompanied by |
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| .\" References consulted: |
| .\" Linux libc source code |
| .\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) |
| .\" 386BSD man pages |
| .\" Modified Sat Jul 24 18:49:23 1993 by Rik Faith (faith@cs.unc.edu) |
| .TH MEMSET 3 2015-08-08 "GNU" "Linux Programmer's Manual" |
| .SH NAME |
| memset \- fill memory with a constant byte |
| .SH SYNOPSIS |
| .nf |
| .B #include <string.h> |
| .sp |
| .BI "void *memset(void *" s ", int " c ", size_t " n ); |
| .fi |
| .SH DESCRIPTION |
| The |
| .BR memset () |
| function fills the first |
| .I n |
| bytes of the |
| memory area pointed to by |
| .I s |
| with the constant byte |
| .IR c . |
| .SH RETURN VALUE |
| The |
| .BR memset () |
| function returns a pointer to the memory area |
| .IR s . |
| .SH ATTRIBUTES |
| For an explanation of the terms used in this section, see |
| .BR attributes (7). |
| .TS |
| allbox; |
| lb lb lb |
| l l l. |
| Interface Attribute Value |
| T{ |
| .BR memset () |
| T} Thread safety MT-Safe |
| .TE |
| .SH CONFORMING TO |
| POSIX.1-2001, POSIX.1-2008, C89, C99, SVr4, 4.3BSD. |
| .SH SEE ALSO |
| .BR bzero (3), |
| .BR swab (3), |
| .BR wmemset (3) |