31 Input/output library [input.output]

31.5 Iostreams base classes [iostreams.base]

31.5.2 Class ios_base [ios.base]

31.5.2.2 Types [ios.types]

31.5.2.2.5 Type ios_base​::​seekdir [ios.seekdir]

using seekdir = T4;
The type seekdir is an enumerated type ([enumerated.types]) that contains the elements indicated in Table 126.
Table 126: seekdir effects [tab:ios.seekdir]
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