bcopy - copy byte sequence
void bcopy(const void *src, void *dest, size_t n);
The bcopy() function copies n bytes from src to
dest. The result is correct, even when both areas overlap.
For an explanation of the terms used in this section, see attributes(7).
4.3BSD. This function is deprecated (marked as LEGACY in POSIX.1-2001): use
memcpy(3) or memmove(3) in new programs. Note that the first two
arguments are interchanged for memcpy(3) and memmove(3).
POSIX.1-2008 removes the specification of bcopy().
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