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_WtoP
Convert a 'W' type into a 'P' type. It means that once you have the right to write a file, you have the file to read it. The opposition function (from P to W) does not exist in Scol.

P _WtoP (
W _writing_reference_
)
Parameters

_writing_reference_
reference to a file with writing permissions
Return value

reference to a file with reading permissions