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MEMSET(3) Library Functions Manual MEMSET(3)

NAME

memsetwrite a byte to byte string

SYNOPSIS

#include <string.h>
void *
memset(void *b, int c, size_t len);

DESCRIPTION

The memset() function writes len bytes of value c (converted to an unsigned char) to the string b.

RETURN VALUES

The memset() function returns the original value of b.

SEE ALSO

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

STANDARDS

The memset() function conforms to ANSI X3.159-1989 (“ANSI C89”).

HISTORY

The memset() function first appeared in AT&T System V UNIX and was reimplemented for 4.3BSD-Tahoe.
June 5, 2013 OpenBSD-current