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Text File  |  1992-02-08  |  216 b   |  19 lines
  1.  
  2. #include <stdio.h>
  3.  
  4. enum node_type {Error, Char, Int, Double, String};
  5.  
  6. typedef struct {
  7.     enum node_type type;
  8.     union {
  9.         char c;
  10.         int i;
  11.         double d;
  12.         char *s;
  13.     } value;
  14. } node;
  15.  
  16. void push(node);
  17. node pop(void);
  18.  
  19.