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/*
* include/alloc.h
*
* Primary header for liballoc API
* CISC 301 -- Operating Systems, Project 3
*
* Copyright (C) 2025 Douglas B. Rumbaugh <dbrumbaugh@harrisburgu.edu>
*
* Distributed under the Modified BSD License
*
*/
#ifndef H_LIBALLOC
#define H_LIBALLOC
#include <assert.h>
#include <stdio.h>
#include <unistd.h>
#include "constants.h"
#include "free_list.h"
/*
* Returns a pointer to a new region of memory of the specified
* size, or NULL if no memory is available.
*/
void *allocate(size_t);
/*
* Release a block of memory previous allocated using allocate(). If the
* input pointer was not returned by allocate(), then the behavior of
* this function is undefined.
*
* Accessing a pointer that has been previous passed to this function is
* undefined behavior.
*/
void release(void *);
/*
* Return a pointer to the head of the free list. I can't recall
* precisely what I wanted this function called in the assignment,
* so this name may change when I get the chance to check.
*/
free_nd *free_list_head();
#endif
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