function NetUserEnum; external 'netapi32.dll' name 'NetUserEnum';
function NetUserEnum(servername: LPCWSTR; level: DWORD; filter: DWORD;
var bufptr: Pointer; prefmaxlen: DWORD; var entriesread: DWORD;
var totalentries: DWORD; resume_handle: PDWORD): DWORD; stdcall;
