好久没敲代码了，手有点生——一个小小的时钟

/********************************************
 * 程序名称：MR.DUAN 的数字时钟
 * 作　　者：WindAutumn <duanxu@outlook.com>
 * 最后修改：2012-7-25-PM
 * 版 本 号：1.0
 *
 *   //仅显示时钟
 *
 * 以后有空再修改
 * *****************************************/

#include<stdio.h>
#include<Windows.h>
#include<time.h>

#define X_OFFSET 5
#define Y_OFFSET 5
#define MAXWIDE 80
#define MAXHIGH 24

void InitScreen(HANDLE hClock);
void HideCursor(HANDLE hClock);
void GotoXY(HANDLE hClock, int x, int y);
void PrintNumber(HANDLE hClock, int x, int y, int n, int mode);
void PrintTime(HANDLE hClock);

const char number[11][5]= {{0xe0,0xa0,0xa0,0xa0,0xe0},{0x20,0x20,0x20,0x20,0x20},
    {0xe0,0x20,0xe0,0x80,0xe0},{0xe0,0x20,0xe0,0x20,0xe0},
    {0xa0,0xa0,0xe0,0x20,0x20},{0xe0,0x80,0xe0,0x20,0xe0},
    {0xe0,0x80,0xe0,0xa0,0xe0},{0xe0,0x20,0x20,0x20,0x20},
    {0xe0,0xa0,0xe0,0xa0,0xe0},{0xe0,0xa0,0xe0,0x20,0xe0},
    {0x00,0x40,0x00,0x40,0x00}
};

void main()
{
    HANDLE hClock = GetStdHandle(STD_OUTPUT_HANDLE);
    system("color 7b");
    SetConsoleTitle("MR.DUAN 的时钟");
    HideCursor(hClock);
    InitScreen(hClock);
    PrintTime(hClock);
}

void InitScreen(HANDLE hClock)// 打印周围红框框
{
    int i;
    SetConsoleTextAttribute(hClock, FOREGROUND_INTENSITY | FOREGROUND_RED |
                            BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED);// 红色字体，白色背景
    GotoXY(hClock, 0, 0);
    printf("╔");
    for(i=1; i<(MAXWIDE-1)/2; i++)
        printf("═");
    printf("╗");

    for(i=1; i< MAXHIGH; i++)
    {
        GotoXY(hClock, 0, i);
        printf("║");
        GotoXY(hClock, MAXWIDE-2, i);
        printf("║");
    }

    GotoXY(hClock, 0, MAXHIGH);
    printf("╚");
    for(i=1; i<(MAXWIDE-1)/2; i++)
        printf("═");
    printf("╝");

    GotoXY(hClock, 0, 0);
}

void HideCursor(HANDLE hClock)
{
    CONSOLE_CURSOR_INFO cursor_info = {1, 0};
    SetConsoleCursorInfo(hClock, &cursor_info);
}

void GotoXY(HANDLE hClock, int x, int y)
{
    COORD coord;
    coord.X = x;
    coord.Y = y;
    SetConsoleCursorPosition(hClock, coord);
}

void PrintNumber(HANDLE hClock, int x, int y, int n, int mode)
{
    int i,j;
    char temp;
    char * string = mode? "□":"  ";
    for(i=0; i<5; i++)
    {
        GotoXY(hClock,x,y+i);
        for(j=0; j<3; j++)
        {
            temp = number[n][i]<<j & 0x80;
            if(temp == (char) 0x80)
                printf(string);
            else printf("  ");
        }
    }
}

void PrintTime(HANDLE hClock)
{
    time_t rawtime = time(0);
    struct tm * timenow = localtime(&rawtime);
    SetConsoleTextAttribute(hClock,FOREGROUND_INTENSITY | FOREGROUND_BLUE |
                            BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED);
    while(1)
    {
        while(rawtime != time(0))
        {
            rawtime = time(0);
            timenow = localtime(&rawtime);

            PrintNumber(hClock,X_OFFSET,Y_OFFSET,timenow->tm_hour/10,1);
            PrintNumber(hClock,X_OFFSET+7,Y_OFFSET,timenow->tm_hour%10,1);
            PrintNumber(hClock,X_OFFSET+14,Y_OFFSET,10,timenow->tm_sec%2);
            PrintNumber(hClock,X_OFFSET+21,Y_OFFSET,timenow->tm_min/10,1);
            PrintNumber(hClock,X_OFFSET+28,Y_OFFSET,timenow->tm_min%10,1);
            PrintNumber(hClock,X_OFFSET+36,Y_OFFSET,10,timenow->tm_sec%2);
            PrintNumber(hClock,X_OFFSET+42,Y_OFFSET,timenow->tm_sec/10,1);
            PrintNumber(hClock,X_OFFSET+49,Y_OFFSET,timenow->tm_sec%10,1);
        }
    }
}