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内存管理作业练习

2013年01月06日 ⁄ 综合 ⁄ 共 857字 ⁄ 字号 评论关闭

#define MEM_BLOCK_ITEM_64_BLOCK_NUM 2048

#define MEM_BLOCK_ITEM_128_BLOCK_NUM 512

#define MEM_BLOCK_ITEM_256_BLOCK_NUM  128

#define BLOCK_SIZE_64 64

#define BLOCK_SIZE_128 128

#define BLOCK_SIZE_256 256

#define MAX_BLOCKS_NUM 3

#define MAX_BLOCK_SIZE 256

 

typedef struct MEMBLOCKITEM64{

struct MEMBLOCKITEM64 *pNext;

int  nBlockSize; 

int  flag; // free/use

int  memory[32];

}MEM_BLOCK_ITEM_64;

 

typedef struct MEMBLOCKITEM128{

struct MEMBLOCKITEM128 *pNext;

int  nBlockSize; 

int  flag; // free/use

int  memory[128];

}MEM_BLOCK_ITEM_128;

 

typedef struct MEMBLOCKITEM256 {

struct MEMBLOCKITEM256 *pNext;

int  nBlockSize; 

int  flag; // free/use

int  memory[256];

}MEM_BLOCK_ITEM_256;

 

typedef struct {

int nBlockSize;

int nBlockNum;

MEM_BLOCK_ITEM_64 * pBlockHead64;

char text[16];

}MEM_APP_BLOCK_64;

 

typedef struct {

int nBlockSize;

int nBlockNum;

MEM_BLOCK_ITEM_128 * pBlockHead64;

char text[16];

}MEM_APP_BLOCK_128;

/*

typedef struct {

int nBlockSize;

int

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