Developing a UNIX debugger

[Sal Magnone]

I'm developing a debugger to run on UNIX System V.  I would like some
advice on how to set breakpoints as well as reading core files.  Source code wo
uld be appreciated as well as any other input.

Thanks,

Sal (acps4606 at RYERSON.CA)
    (smagnone at ryesecs)
    (sal at shunix)