Reference

memcpy(3)

copy memory area

NAME

memcpy – copy memory area

LIBRARY

Standard C Library (libc, -lc)

SYNOPSIS

#include <string.h>

void *

memcpy(void *restrict dst, const void *restrict src, size_t n);

DESCRIPTION

The memcpy() function copies n bytes from memory area src to memory area dst. If dst and src overlap, behavior is undefined. Applications in which dst and src might overlap should use memmove(3) instead.

RETURN VALUES

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

SEE ALSO

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

STANDARDS

The memcpy() function conforms to ISO/IEC 9899:1990 (“ISO C90”).

History