/* * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands. * See the copyright notice in the ACK home directory, in the file "Copyright". */ /* $Id$ */ #define INP_PUSHBACK 3 #include /* Note: The following macro only garuantees one PushBack. */ #define UnGetChar() ((LexSave != EOI) ? ChPushBack(LexSave) : 0) extern int LexSave; /* last character read by GetChar */ extern int GetChar(); /* character input, with trigraph parsing */