shuntyard

Djiskstra's 'Shunting Yard' algorithm
git clone git://src.gearsix.net/shuntyard
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stack.h (321B)

      1 #ifndef STACK_H
      2 #define STACK_H
      3 
      4 #include <stdlib.h>
      5 
      6 struct stack {
      7 	char *s;
      8 	int sp, siz;
      9 };
     10 
     11 struct stack *stack_new();
     12 
     13 int  stack_isempty(struct stack *s);
     14 
     15 int  stack_isfull(struct stack *s);
     16 
     17 int  stack_peek(struct stack *s);
     18 
     19 void stack_push(struct stack *s, int item);
     20 
     21 int  stack_pop(struct stack *s);
     22 
     23 #endif