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2019 mateusz.vi 1 
/*
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 *  STACK.H - Stack management functions.
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 *  Written 1995,96 by Andrew Clarke and released to the public domain.
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 */
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#ifndef __STACK_H__
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#define __STACK_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct stacknode
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{
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    struct stacknode *p_prev;
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    void *p_item;
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} STACKNODE;
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typedef struct
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{
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    STACKNODE *p_top;
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    unsigned long items;
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} STACK;
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void stackDefaults(STACK * p_stack);
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void stackInit(STACK * p_stack);
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void stackTerm(STACK * p_stack);
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int stackPushItem(STACK * p_stack, void *p_item);
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void *stackPopItem(STACK * p_stack);
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unsigned long stackTotalItems(STACK * p_stack);
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int stackIsEmpty(STACK * p_stack);
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#ifdef __cplusplus
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}
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#endif
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#endif
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