std::streamoff(3) C++ Standard Libary std::streamoff(3) NAME std::streamoff - std::streamoff Synopsis Defined in header <ios> typedef /*implementation-defined*/ streamoff; The type std::streamoff is an implementation-defined signed integral (since C++11) type of sufficient size to represent the maximum possible file size supported by the operating system. Typically, this is an alias for long long. (since C++11) It is used to represent offsets from stream positions (values of type std::fpos). A std::streamoff value constructed from -1 is also used to represent error conditions by some of the I/O library functions. Relationship with std::fpos * the difference between two std::fpos objects is a value of type std::streamoff * a value of type std::streamoff may be added or subtracted from std::fpos yielding a different std::fpos. * a value of type std::fpos is implicitly convertible to std::streamoff (the conversion result is the offset from the beginning of the file). * a value of type std::fpos is constructible from a value of type std::streamoff See also fpos represents absolute position in a stream or a file (class template) seekg sets the input position indicator (public member function of std::basic_istream<CharT,Traits>) seekp sets the output position indicator (public member function of std::basic_ostream<CharT,Traits>) http://cppreference.com 2024.06.10 std::streamoff(3)
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