stacks.h

#ifndef Stack_H
#define Stacks_H    
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>

#include "linked_lists.h"

typedef struct
{
    LinkedList* items; 
} Stack;

Stack* s_create(void* arr[], const size_t n, const size_t typeSize);
int s_push(Stack* stack, const void* value);
int s_push_int(Stack* stack, int value);
int s_push_str(Stack* stack, const char* value);
int s_push_dbl(Stack* stack, double value);
int s_push_flt(Stack* stack, float value);
int s_push_chr(Stack* stack, char value);
int s_pop(Stack* stack, void* out);
int s_peek(Stack* stack, void* out);
bool s_empty(Stack* stack);
int s_print(Stack* stack, void (*print)(const void*));
int s_free(Stack* stack, void (*free_item)(void*));

struct LibStack_l {
    Stack* (*create)(void* arr[], const size_t n, const size_t typeSize);
    int (*push)(Stack* stack, const void* value);
    int (*push_int)(Stack* stack, int value);
    int (*push_str)(Stack* stack, const char* value);
    int (*push_dbl)(Stack* stack, double value);
    int (*push_flt)(Stack* stack, float value);
    int (*push_chr)(Stack* stack, char value);
    int (*pop)(Stack* stack, void* out);
    int (*peek)(Stack* stack, void* out);
    bool (*is_empty)(Stack* stack);
    int (*print)(Stack* stack, void (*print)(const void*));
    int (*free)(Stack* stack, void (*free_item)(void*));
};

extern const struct LibStack_l LibStack;
#endif