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From: decot@hpisod2.HP.COM (Dave Decot)
Newsgroups: comp.unix.questions
Subject: Re: write (fildes, buf, nbytes) -- is "nbytes" int or unsigned?
Message-ID: <10650001@hpisod2.HP.COM>
Date: Wed, 29-Jul-87 14:28:12 EDT
Article-I.D.: hpisod2.10650001
Posted: Wed Jul 29 14:28:12 1987
Date-Received: Sat, 1-Aug-87 15:02:28 EDT
References: <868@bsu-cs.UUCP>
Organization: Hewlett Packard, Cupertino
Lines: 16

> One possible solution:
> 
>      size_t write (fildes, buf, nbytes)
>      int fildes; char *buf; size_t nbytes;
> 
>      The value supplied for `nbytes' must be in the range
>      0 through (((size_t) -1) - 1), where size_t is an unsigned type
>      defined in a header file.  Up to `nbytes' bytes of data are
>      written each time write() is called.  The return value is the
>      actual number of bytes written, unless an error occurs, in which
>      case the value returned is ((size_t) -1).

This assumes a two's complement representation of integers.

Dave Decot
hpda!decot