我想在windows下移植一个tcp/ip协议栈，所以我要直接操作网卡来发送数据，但是怎么操作呢？

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to   iorikingdom  
      谢谢你的建议，我想这样是可行的，我在DDK的sample中找到一个代码在NTDDK/src/network/ndis/packet,   但是在目录下build   -ceZ这个命令编译不过，builder   log   如下：  
  Compiling   d:/ntddk/src/network/ndis/packet/driver   directory   ********************  
  'NMAKE.EXE   /c   BUILDMSG=Stop.   NTTEST=   UMTEST=   NOLINK=1   386=1'  
  makefile(7)   :     U1052:   file   '/makefile.def'   not   found  
  Stop.  
  BUILD:   NMAKE.EXE   failed   -   rc   =   2  
  Compiling   d:/ntddk/src/network/ndis/packet/testapp   directory   ********************  
  'NMAKE.EXE   /c   BUILDMSG=Stop.   NTTEST=   UMTEST=   NOLINK=1   386=1'  
  makefile(7)   :     U1052:   file   '/makefile.def'   not   found  
  Stop.  
  BUILD:   NMAKE.EXE   failed   -   rc   =   2  
  Linking   d:/ntddk/src/network/ndis/packet/driver   directory   ********************  
  'NMAKE.EXE   /c   BUILDMSG=Stop.   LINKONLY=1   NOPASS0=1   NTTEST=   UMTEST=   386=1'  
  makefile(7)   :     U1052:   file   '/makefile.def'   not   found  
  Stop.  
  BUILD:   NMAKE.EXE   failed   -   rc   =   2  
  Linking   d:/ntddk/src/network/ndis/packet/testapp   directory   ********************  
  'NMAKE.EXE   /c   BUILDMSG=Stop.   LINKONLY=1   NOPASS0=1   NTTEST=   UMTEST=   386=1'  
  makefile(7)   :     U1052:   file   '/makefile.def'   not   found  
  Stop.  
  BUILD:   NMAKE.EXE   failed   -   rc   =   2   
 
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