reverse of getchar() read() open() fopen() ?

[Devin Teske]

On Fri, 2011-02-11 at 22:32 +0100, Julian H. Stacey wrote:

> Hi hackers@, 
> Do we have C libraries with reverse of getchar() [ & maybe read()
> ] & fopen() [ & maybe open() ] etc, to read from end of file toward
> beginning ?


`tail -r' will spit out lines of a file in reverse-order.

Maybe the source to tail(1) can offer some insights:

http://www.freebsd.org/cgi/cvsweb.cgi/src/usr.bin/tail/
-- 
Devin

P.S. Sorry for the non-answer.



>   I dont see anything in the See Also sections.  I'm not
> looking to write, just read.  I'm looking for something that returns
> last char in file as first etc, I'm not interested in wchars etc,
> I could write some C functions, with seek etc & probably will, if
> none exist, but no point if they already exist ?
> 
> Cheers,
> Julian