record locked solutions.

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* record locked solution                                            
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* 1 unlock                                                          
* 2 setll / setgt                                                   
* 3 read with extender N                                            
* 4 different logical file                                          
* 5 update / delete                                                 
* 6 manual open/close                                               
* 7 excpt an empty format(unlock)                                   
* 8 excpt a common format(update file with partial fields)          
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