新建 文本文档.txt

一个用来查看磁盘上扇区的信息

// change.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "fstream.h"

char tr(unsigned char *b)
{
	int k;
	int j,h;
	for(int i=0;i<2;i++)
	{
		switch(b[i])
		{
		case '0':k=0;break;
		case '1':k=1;break;
		case '2':k=2;break;
		case '3':k=3;break;
		case '4':k=4;break;
		case '5':k=5;break;
		case '6':k=6;break;
		case '7':k=7;break;
		case '8':k=8;break;
		case '9':k=9;break;
		case 'a':k=10;break;
		case 'A':k=10;break;
		case 'b':k=11;break;
		case 'B':k=11;break;
		case 'c':k=12;break;
		case 'C':k=12;break;
		case 'd':k=13;break;
		case 'D':k=13;break;
		case 'e':k=14;break;
		case 'E':k=14;break;
		case 'f':k=15;break;
		case 'F':k=15;break;
		}
		if(i==0)
			j=k*16;
		if(i==1)
			h=k;		
	}
	char t=char(j+h);
	return t;
}
void main()
{
	unsigned char b[]="42";
	char t=tr(b);
	cout<<t<<endl;
}


ReadSectors(BYTE bDrive, DWORD dwStartSector, WORD wSectors,LPBYTE lpSectBuff)