variable directly in tgetent by stderr or stdout output speed.
It helps hide in non-standard __set_ospeed function and remove it
from other sources (coming soon).
Do prototype cleanup too.
on terminals with no pad char (cons25) and quote from tputs.c says so too:
! * Too bad there are no user program accessible programmed delays.
! * Transmitting pad characters slows many
! * terminals down and also loads the system.
