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MEMCPY(3) Library Functions Manual MEMCPY(3)

NAME

memcpycopy bytes

SYNOPSIS

#include <string.h>
void *
memcpy(void *dst, const void *src, size_t len);

DESCRIPTION

The memcpy() function copies len bytes from buffer src to buffer dst. If the two buffers may overlap, memmove(3) must be used instead.

RETURN VALUES

The memcpy() function returns the original value of dst.

SEE ALSO

bcopy(3), memccpy(3), memmove(3), strcpy(3), strlcpy(3), wmemcpy(3)

STANDARDS

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

HISTORY

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