real_stack.h

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/*****************************************************************************
*                                                                            *
*  ------------------------------- stack.h --------------------------------  *
*                                                                            *
*****************************************************************************/
 
#ifndef _real_STACK_H
 
#define _real_STACK_H
 
 
#include <stdlib.h>
 
#include "real_list.h"
 
/*****************************************************************************
*                                                                            *
*  Implement stacks as linked lists.                                         *
*                                                                            *
*****************************************************************************/
 
typedef real_list_t real_stack_t;
 
/*****************************************************************************
*                                                                            *
*  --------------------------- Public Interface ---------------------------  *
*                                                                            *
*****************************************************************************/
 
void real_stack_init (real_stack_t* stack);
 
void real_stack_destroy (real_stack_t *stack);
 
int real_stack_size (real_stack_t * stack);
 
int real_stack_push(real_stack_t *stack, double data);
 
int real_stack_pop(real_stack_t *stack, double* data);
 
double real_stack_peek(real_stack_t * stack);
#endif