Function netapi32::NetGroupGetUsers

pub unsafe extern "system" fn NetGroupGetUsers(
    servername: LPCWSTR, 
    groupname: LPCWSTR, 
    level: DWORD, 
    bufptr: *mut LPBYTE, 
    prefmaxlen: DWORD, 
    entriesread: LPDWORD, 
    totalentries: LPDWORD, 
    ResumeHandle: PDWORD_PTR
) -> NET_API_STATUS