Stack.h

/**
 * Header file for a stack implementation.
 */

#ifndef __STACK_H__
#define __STACK_H__

struct stack{
    char * data;
    unsigned int capacity;
    unsigned int head;
};

struct stack * create_stack(unsigned int capacity);

void delete_stack(struct stack * old_stack);

int is_full(struct stack * my_stack);

int is_empty(struct stack * my_stack);

void stack_push(struct stack * my_stack, char element);

char stack_pop(struct stack * my_stack);

#endif