unix question: files per directory

[Leslie Mikesell]

In article <3823 at ficc.uu.net> peter at ficc.uu.net (Peter da Silva) writes:

>Speaking of lseek, how about this case:

>	lseek(fd, -1024L, 2);	/* Seek to last 1K of file */
>
>It would negatively impact the performance of tail(1) to not have this
>ability.

There are still a few values that could be used without overloading
the capacity of the 3rd argument to lseek(). 
How about adding:

  3 = the pointer is set to its current location minus offset
  4 = the pointer is set to the size of the file minus offset
?

Les Mikesell