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integer function errsub (arg, file, access)
integer arg (100), file (100)
integer access
if (.not.(arg (1) .eq. 63 .and. arg (2) .ne. 63 .and. arg (2) .ne.
* -2))goto 23000
errsub = 1
access = 2
call scopy (arg, 2, file, 1)
goto 23001
23000 continue
if (.not.(arg (1) .eq. 63 .and. arg (2) .eq. 63 .and. arg (3) .ne.
* -2))goto 23002
errsub = 1
access = 4
call scopy (arg, 3, file, 1)
goto 23003
23002 continue
errsub = 0
23003 continue
23001 continue
return
end
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