NAME

memcpy — copy byte string

SYNOPSIS

#include <sys/systm.h>

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

DESCRIPTION

The memcpy() function copies len bytes from string src to string dst. The arguments must not overlap — behavior if the arguments overlap is undefined. To copy byte strings that overlap, use memmove(9).

RETURN VALUES

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

SEE ALSO

memmove(9)

STANDARDS

The memcpy() function conforms to ISO/IEC 9899:1999 (“ISO C99”).