From: utzoo!decvax!decwrl!sun!megatest!fortune!norskog Newsgroups: net.lang.c Title: Re: filter i/o in C - (nf) Article-I.D.: fortune.753 Posted: Wed Jan 26 16:04:20 1983 Received: Sun Jan 30 03:36:10 1983 #R:decvax:-40500:fortune:16200002:000:184 fortune!norskog Jan 26 14:46:00 1983 Be precise! You mean that most implementations of buffered I/O don't allow simultaneous read/write access. read() and write() under just about any real UN*X system don't give a damn.