F7POS - reposition an indexed file.
call f7pos(lgu, key [, status])
- is the unit number of an indexed file open in sequential
or dynamic mode.
- is the key value where the file file is to be positioned.
- is an integer or character*2 variable where the UFAS
status will be stored. A value of ASCII "00"
indicates success. If an status is an integer, the UFAS
status is stored in the upper 18 bits.
F7POS is used to reposition a open indexed file.
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