Ê¹ ÓÃ NET_API_STATUS NetUserEnum( 
     LPCWSTR servername, 
     DWORD level, 
     DWORD filter, 
     LPBYTE *bufptr, 
     DWORD prefmaxlen, 
     LPDWORD entriesread, 
     LPDWORD totalentries, 
     LPDWORD resume_handle 
    ); 
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