30 Input/output library [input.output]

30.5 Iostreams base classes [iostreams.base]

30.5.3 Class ios_­base [ios.base]

30.5.3.1 Types [ios.types]

30.5.3.1.5 Type ios_­base​::​seekdir [ios::seekdir]

using seekdir = T4;
The type seekdir is an enumerated type that contains the elements indicated in Table 111.
Table 111seekdir effects
Element
Meaning
beg
request a seek (for subsequent input or output) relative to the beginning of the stream
cur
request a seek relative to the current position within the sequence
end
request a seek relative to the current end of the sequence