#ifndef _STACKLIB_H_
#define _STACKLIB_H_

typedef struct stack {
    void* ptr;
    void* first;
    void* last;
    void* previous;
} stack_s;

void addToStack(stack_s*, void*);
void delFromStack(stack_s*);
void dellAllFromStack(stack_s*);

#endif _STACKLIB_H_