void
*
memcpy(
void * restrict dst
, const void * restrict src
, size_t len
)
)
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).
)
function
returns the original value of
dst
.
)
function
conforms to
ISO/IEC 9899:1999 (``ISO C99'') .