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// MIT License, Copyright (c) 2020 Marvin Borner
#ifndef STACK_H
#define STACK_H
#include <def.h>
struct stack_node {
void *data;
int nonce;
struct stack_node *next;
struct stack_node *prev;
};
struct stack {
struct stack_node *tail;
};
struct stack *stack_new();
void stack_destroy(struct stack *stack);
u32 stack_empty(struct stack *stack);
u32 stack_push_bot(struct stack *stack, void *data);
u32 stack_push(struct stack *stack, void *data);
void *stack_pop(struct stack *stack);
void *stack_peek(struct stack *stack);
#endif
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