Date: Fri, 11 Feb 2011 16:47:58 -0500 From: Brian Reichert <reichert@numachi.com> To: "Julian H. Stacey" <jhs@berklix.com> Cc: hackers@freebsd.org Subject: Re: reverse of getchar() read() open() fopen() ? Message-ID: <20110211214758.GI36025@numachi.com> In-Reply-To: <201102112132.p1BLWkiP003000@fire.js.berklix.net> References: <201102112132.p1BLWkiP003000@fire.js.berklix.net>
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On Fri, Feb 11, 2011 at 10:32:46PM +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 ? 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 ? Use lseek() to position yourself, iterate over the file, copying into a small buffer, then iterate over your buffer in reverse? Maybe I misunderstood you... > Cheers, > Julian -- Brian Reichert <reichert@numachi.com> 55 Crystal Ave. #286 Derry NH 03038-1725 USA BSD admin/developer at large
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