On Fri, Jan 03, 2003 at 08:30:38PM -0500, Greg A. Woods wrote:

 >      The c argument is an int, the value of which the application shall
 >      ensure is representable as an unsigned char or equal to the value
 >      of the macro EOF.  If the argument has any other value, the
 >      behavior is undefined.
 > 
 > Pay particular and very careful attention to that last sentence.  It has
 > a very special meaning in the context of an IEEE POSIX standards document.

Hell, pay very close attention to the *first* sentence.  It clearly
places the burden on the application writer, not the system implementor.

-- 
        -- Jason R. Thorpe <thorpej@wasabisystems.com>