Dear C-prog,

i'm developing software for barcode software, now i'm making software for PDT 
CASIO DT930 (Portable data terminal). I get problem form my coding, i want to 
take value from a  record. This is  example code :

location         code                          qty 
111              123456789                   12
102              234567890                    4
201              222222221                    1

1. it in text file. I want get qty from record using a search key with value    
"123456789"

2. how to update that data

i'm include my source code here



       
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