tinit
tinit(&taliases, APERM, 0);
tinit(&aliases, APERM, 0);
tinit(&homedirs, APERM, 0);
tinit(&builtins, APERM, 64); /* must be 2^n (currently 40 builtins) */
void tinit ARGS((struct table *, Area *, int));
tinit(&keywords, APERM, 32); /* must be 2^n (currently 20 keywords) */
tinit(&specials, APERM, 32); /* must be 2^n (currently 17 specials) */
tinit(&l->vars, &l->area, 0);
tinit(&l->funs, &l->area, 0);
void tinit(void);
tinit(); /* must be done before loading the rcfile */