input.h 478 B

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  1. /*
  2. * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
  3. * See the copyright notice in the ACK home directory, in the file "Copyright".
  4. */
  5. /* $Id$ */
  6. #define INP_PUSHBACK 3
  7. #include <inp_pkg.spec>
  8. /* Note: The following macro only garuantees one PushBack.
  9. */
  10. #define UnGetChar() ((LexSave != EOI) ? ChPushBack(LexSave) : 0)
  11. extern int LexSave; /* last character read by GetChar */
  12. extern int GetChar(); /* character input, with trigraph parsing */