View source for cpp/io/streamoff

===Relationship with std::fpos===
* the difference between two {{lc|std::fpos}} objects is a value of type {{tt|std::streamoff}}

* a value of type {{tt|std::streamoff}} may be added or subtracted from {{lc|std::fpos}} yielding a different {{lc|std::fpos}}.

* a value of type {{lc|std::fpos}} is implicitly convertible to {{tt|std::streamoff}} (the conversion result is the offset from the beginning of the file).

* a value of type {{lc|std::fpos}} is constructible from a value of type {{tt|std::streamoff}}