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求vc++6.0高手，生成dll报错

学习生成dll获取电脑名称的例子使用时，vc++6.0报错怎么处理，求指教，编译通过但是生成dll时候报错。
个人是用其他软件官方发布的程序，程序应该问题不大，不知道是软件原因还是什么，求高手。
代码：/* include extcode.h which contains the prototypes for the LabVIEW functions */
#include "extcode.h"
#include
#include

BOOL WINAPI DllMain (HANDLE hDLL, DWORD dwReason, LPVOID lpReserved)
      {
            return TRUE;
      }

/* This functions gets the computer name and returns it to LabVIEW */
__declspec (dllexport) void MachineName(void *LVHandle)
      {
      char computerName[MAX_COMPUTERNAME_LENGTH+1];
      int  compNameLength = MAX_COMPUTERNAME_LENGTH+1;

      /* Get computer name */
      GetComputerName(computerName, &compNameLength);
      /* Size LabVIEW handle to the correct size */
      DSSetHandleSize(LVHandle, compNameLength + 5);
      /* Copy the string size to the LabVIEW handle */
      **(int32 **)LVHandle = compNameLength ;
      /* Copy the string to the LabVIEW handle */
      sprintf((*(char **)LVHandle)+4,"%s",computerName);
      }

错误提示信息为：--------------------Configuration: getcomname - Win32 Debug--------------------
Linking...
  Creating library Debug/getcomname.lib and object Debug/getcomname.exp
hostname.obj : error LNK2001: unresolved external symbol _DSSetHandleSize
Debug/getcomname.dll : fatal error LNK1120: 1 unresolved externals
执行 link.exe 时出错.

提问者：马汉三呐地点：- 浏览次数：9511 提问时间：04-23 20:50

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