4.3BSD - /usr/ingres/source/parser/s_inout.c

   1: # include <ingres.h>
   2: # include "scanner.h"
   3: # include   <sccs.h>
   4: 
   5: SCCSID(@(#)s_inout.c	8.1	12/31/84)
   6: 
   7: /* TWO CHARACTER STACK FOR 'UNGETC' BACKUP */
   8: char    Pchar[2];
   9: int Pctr;
  10: 
  11: 
  12: /*
  13: ** BACKUP
  14: ** saves the character argument in the global stack 'Pchar'
  15: **/
  16: backup(chr)
  17: char    chr;
  18: {
  19:     extern int  yyline;
  20: 
  21:     if (Pctr == 2)
  22:         syserr("overflow in backup()");
  23:     Pchar[Pctr++] = chr;
  24:     if (chr == '\n')
  25:         yyline--;
  26: }

Defined functions

Defined variables