memory copying (was Re: bcopy)

[Raymond Juimong Chen]

What with memcpy and memmove... is ther an officially sanctioned function
which performs the copy in a specified direction?  Like, say, memmoveup
and memmovedown.  This would be useful for initializing a dynamic chunk
of memory with a repeating value.

I don't have any need for it now.  I'm just curious as to whether its
existence was ever discussed.
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