[stream.types] (original) (raw)

31 Input/output library [input.output]

31.2 Iostreams requirements [iostreams.requirements]

31.2.2 Types [stream.types]

using streamoff = _implementation-defined_;

The type streamoff is a synonym for one of the signed basic integral types of sufficient size to represent the maximum possible file size for the operating system.256

using streamsize = _implementation-defined_;

The typestreamsizeis a synonym for one of the signed basic integral types.

It is used to represent the number of characters transferred in an I/O operation, or the size of I/O buffers.257