fstream::rdbuf
filebuf* rdbuf() const;
Remarks
Returns a pointer to the filebuf buffer object that is associated with this stream. (This is not the character buffer; the filebuf object contains a pointer to the character area.)
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filebuf* rdbuf() const;
Remarks
Returns a pointer to the filebuf buffer object that is associated with this stream. (This is not the character buffer; the filebuf object contains a pointer to the character area.)