memset (3) - Linux Manuals

memset: fill memory with a constant byte

NAME

memset - fill memory with a constant byte

SYNOPSIS

#include <string.h>

void *memset(void *s, int c, size_t n);

DESCRIPTION

The memset() function fills the first n bytes of the memory area pointed to by s with the constant byte c.

RETURN VALUE

The memset() function returns a pointer to the memory area s.

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).
InterfaceAttributeValue
memset() Thread safetyMT-Safe

CONFORMING TO

POSIX.1-2001, POSIX.1-2008, C89, C99, SVr4, 4.3BSD.

COLOPHON

This page is part of release 5.10 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.

SEE ALSO

bstring(3), bzero(3), swab(3), wmemset(3)