NAME

memset - fill memory with a constant byte

LIBRARY

Standard C library (libc, -lc)

SYNOPSIS

#include <string.h>
void *memset(void s[.n], 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).

Interface Attribute Value

memset()

Thread safety MT-Safe

STANDARDS

C11, POSIX.1-2008.

HISTORY

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

SEE ALSO

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