向心算法

没听说过"迷宫向心算法",你看看迷宫的全部代码吧!看对你有没有帮助.
迷宫的代码如下:
#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
#include <conio.h>
#include <dos.h>
#define OK 1
#define ERROR 0
#define TRUE 1
#define FALSE 0
#define F9 0x43
#define Esc 0x1b
#define Del 0x53
#define Home 0x47
#define End 0x4f
#define Space 0x20
#define Up 0x48
#define Down 0x50
#define Left 0x4b
#define Right 0x4d
#define Enter 0x0d
#define F2 0x3c
#define F3 0x3d
#define STACK_INIT_SIZE 200
#define STACKINCREMENT 10
typedef int Boolean;
typedef int Status;
typedef struct {
int x;
int y;
} PosType;
typedef struct {
int ord;
PosType seat;
int di;
} SElemType;
typedef struct {
int td;
int foot;
int mark;
} MazeType;
typedef struct {
SElemType *base;
SElemType *top;
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