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你可以查看msdn的Network Management Functions
NetShareEnum函数应该就是你想要的东西
这是其中一段例子
#define UNICODE
#include <windows.h>
#include <stdio.h>
#include <lm.h>void wmain( int argc, TCHAR *lpszArgv[ ])
{
   PSHARE_INFO_502 BufPtr,p;
   NET_API_STATUS res;
   LPTSTR   lpszServer = NULL;
   DWORD er=0,tr=0,resume=0, i;   switch(argc)
   {
   case 2:
      lpszServer = lpszArgv[1];
      break;
   default:
      printf("Usage: NetShareEnum <servername>\n");
      return;
   }
   //
   // Print a report header.
   //
   printf("Share:              Local Path:                   Uses:   Descriptor:\n");
   printf("---------------------------------------------------------------------\n");
   //
   // Call the NetShareEnum function; specify level 502.
   //
   do // begin do
   {
      res = NetShareEnum (lpszServer, 502, (LPBYTE *) &BufPtr, -1, &er, &tr, &resume);
      //
      // If the call succeeds,
      //
      if(res == ERROR_SUCCESS || res == ERROR_MORE_DATA)
      {
         p=BufPtr;
         //
         // Loop through the entries;
         //  print retrieved data.
         //
         for(i=1;i<=er;i++)
         {
            printf("%-20S%-30S%-8u",p->shi502_netname, p->shi502_path, p->shi502_current_uses);
            //
            // Validate the value of the 
            //  shi502_security_descriptor member.
            //
            if (IsValidSecurityDescriptor(p->shi502_security_descriptor))
               printf("Yes\n");
            else
               printf("No\n");
            p++;
         }
         //
         // Free the allocated buffer.
         //
         NetApiBufferFree(BufPtr);
      }
      else 
         printf("Error: %ld\n",res);
   }
   // Continue to call NetShareEnum while 
   //  there are more entries. 
   // 
   while (res==ERROR_MORE_DATA); // end do
   return;
}