使用C语言编写一个强制关机程序

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <conio.h>
 
int main()
{
    char input[10];
    printf("警告！您的计算机将在一分钟后关机，请保存好您的工作并退出所有程序！");
    printf("是否确认关机？(y/n): ");
    scanf("%s", input);
 
    while (1) {
        if (strcmp(input, "y") == 0 || strcmp(input, "Y") == 0) {
            // 记录用户选择到日志文件
            FILE *logFile = fopen("D:/a1.txt", "a");
            if (logFile != NULL) {
                time_t currentTime;
                struct tm *localTime;
                time(&currentTime);
                localTime = localtime(&currentTime);
                fprintf(logFile, "%04d-%02d-%02d %02d:%02d:%02d - 用户选择了关机\n",
                    localTime->tm_year + 1900, localTime->tm_mon + 1, localTime->tm_mday,
                    localTime->tm_hour, localTime->tm_min, localTime->tm_sec);
                fclose(logFile);
            }
            // 执行滑动关机操作
            system("shutdown /r /t 60");
            // 显示倒计时
            for (int i = 60; i >= 0; i--) {
                printf("\r倒计时：%d秒", i);
                fflush(stdout);
                sleep(1);
 
                if (_kbhit()) { // 检测按键
                    char key = _getch(); // 获取按键值
                    if (key == 's' || key == 'S') { // 如果按下了's'或'S'键
                        // 记录用户选择到日志文件
                        FILE *logFile = fopen("D:/a1.txt", "a");
                        if (logFile != NULL) {
                            time_t currentTime;
                            struct tm *localTime;
                            time(&currentTime);
                            localTime = localtime(&currentTime);
                            fprintf(logFile, "%04d-%02d-%02d %02d:%02d:%02d - 用户选择了关机并取消关机\n",
                                localTime->tm_year + 1900, localTime->tm_mon + 1, localTime->tm_mday,
                                localTime->tm_hour, localTime->tm_min, localTime->tm_sec);
                            fclose(logFile);
                        }
                        // 执行取消关机操作
                        system("shutdown /a");
                        return 0;
                    }
                }
            }
            return 0;
        } else if (strcmp(input, "n") == 0 || strcmp(input, "N") == 0) {
            printf("取消关机操作。");
            return 0;
        } else {
            printf("输入错误，请重新输入");
            printf("是否确认关机？(y/n): ");
            scanf("%s", input);
        }
    }
 
    return 0;
}