cs_avail.h 881 B

1234567891011121314151617181920212223
  1. /* $Id$ */
  2. /*
  3. * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
  4. * See the copyright notice in the ACK home directory, in the file "Copyright".
  5. */
  6. extern avail_p avails; /* The set of available expressions. */
  7. extern avail_p av_enter(); /* (avail_p avp, occur_p ocp, byte kind)
  8. * Puts the available expression in avp
  9. * in the list of available expressions,
  10. * if it is not already there. Add ocp to set of
  11. * occurrences of this expression.
  12. * If we have a new expression, we test whether
  13. * the result is saved. When this expression
  14. * recurs,we test if we can still use the
  15. * variable into which it was saved.
  16. * (Kind is the kind of the expression.)
  17. * Returns a pointer into the list.
  18. */
  19. extern clr_avails(); /* Release all space occupied by the old list
  20. * of available expressions.
  21. */