c语言对自己电脑系统测试源码控制台版本CMD实现，拿来学习研究很不错

void DetectHDD() /*测试当前磁盘驱动器*/ { struct dfree diskfree; /*定义结构体变量*/ struct fatinfo fatinfo; puts("The information of the current disk is :\n"); /*送一字符串到流中,用于显示程序功能*/ getdfree(0,&diskfree); /*获取当前磁盘驱动器信息*/ getfat(0,&fatinfo); /*获取文件分配表信息*/ puts("----------------- hard disk space ------------------"); /*送一字符串到流中,用于对即将显示的*/ /*内容进行说明*/ printf(">>The num of avaible clusters is : %d\n",diskfree.df_avail); /*输出可使用的簇数*/ printf(">>The num of all clusters is : %d\n",diskfree.df_total); /*输出磁盘驱动器的簇数*/ printf(">>The num of bytes of every sector is : %d\n",diskfree.df_bsec); /*输出每个扇区的字节数字节数*/ printf(">>The num of sectors of every cluster is : %d\n",diskfree.df_sclus); /*输出每个簇的扇区数*/ puts("----------- file allocation table -------------"); /*送一字符串到流中,用于对即将显示的*/ printf(">>The num of sectors of every cluster is : %d\n",fatinfo.fi_sclus); /*输出每个簇扇区数*/ printf(">>The num of bytes of file allocation table is : %d\n",fatinfo.fi_fatid); /*文件分配表字节数*/ printf(">>The num of clusters is : %d\n",fatinfo.fi_nclus); /*簇的数目*/ printf(">>The num of ytes of every sector is : %d\n",fatinfo.fi_bysec); /*每个扇区字节数*/ }