[TUHS] question about V7 ls(1) vs. sys/stat.h and ls.c

[Chris Palmer]

Aharon Robbins writes:

> 	long
> 	nblock(size)
> 	long size;
> 	{
> 		return((size+511)>>9);
> 	}

Unfortunately I can't answer any of your questions; I can only ask a new
one: What's with that "511" in there?