** This routine is used by comp, repl, forw, and dist to exec
** the "whatnowproc". It first sets up all the environment
** variables that the "whatnowproc" will need to check, and
** This routine is used by comp, repl, forw, and dist to exec
** the "whatnowproc". It first sets up all the environment
** variables that the "whatnowproc" will need to check, and