In article <20010723233558.4345.qmail@quoll.ind.tansu.com.au>,
 <nigel@ind.tansu.com.au> wrote:
>
>	where END_SYM is set by the Booter. Now, I can easily pass
>in a MARK_SYM environment variable (and MARK_START, MARK_END, et c.).
>What I don't understand at the moment is - where is 'extern int end'
>defined and/or set ? I can't seem to find it.

_end is defined by the linker.

christos