硬链接

#include <windows.h>#include <string.h>#include <stdio.h>typedef BOOL (__stdcall *pCreateHardLink)(                                          LPCTSTR lpFileName,                                          LPCTSTR lpExistingFileName,                                          LPSECURITY_ATTRIBUTES lpSecurityAttributes                                          );int main(){    HMODULE hlib = LoadLibrary("kernel32.dll");    pCreateHardLink fCreateHardLink = (pCreateHardLink) GetProcAddress(hlib,"CreateHardLinkA");             LPCTSTR str1 = "C:\\1.txt";    LPCTSTR str2 = "c:\\2.txt";            //保证2.txt在C盘根目录是存在的    //且硬盘的分区格式为NTFS    BOOL b = fCreateHardLink(str1,str2,NULL);        if(b)    {        HANDLE hFile = CreateFile("c:\\1.txt",GENERIC_WRITE,FILE_SHARE_READ,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);                DWORD dwNum = 0;                char *pszStr = "asdf";                //对1.txt进行写入观察2.txt的内容        WriteFile(hFile,(LPCTSTR)pszStr,strlen("asdf"),&dwNum,NULL);                CloseHandle(hFile);            }    else    {        printf("%d",GetLastError());    }    return 0;}