需要一个300句以上的C语言程序段,内容简单即可,哪位大虾帮帮忙,重谢追加

/*
迷宫探险
*/

#include <stdlib.h>
#include <time.h>
#include <math.h>
#include <stdio.h>
#include <graphics.h>
#define N 22
#define M 22
int bg[M][N];

void makebg(int,int);
void drawbg(int[][],int,int,int,int,int);
void drawman(int,int,int);
void rect(int,int,int,int);

void main()
{ /* main()开始 */
int gdriver=VGA,gmode=VGAHI;
int direc;
char ch,ch2;
int step,len,size,x,y,i,j;
initgraph(&gdriver,&gmode,"c:\\tc");
Startgame:
step=20;
len=10;
size=20;
x=0;
y=0;
i=0;
j=0;
makebg(M,N);
cleardevice();
setbkcolor(LIGHTBLUE);
setwritemode(XOR_PUT);
settextstyle(1,0,3);
/*setcolor(GREEN);
outtextxy(100,180,"Press <Q> to quit");*/
setcolor(RED);
setfillstyle(LINE_FILL,RED);
drawbg(bg,M,N,size,0,0);