29 Input/output library [input.output]

29.1 General [input.output.general]

Table 117: Input/output library summary [tab:iostreams.summary]
Subclause
Header
Requirements
Forward declarations
<iosfwd>
Standard iostream objects
<iostream>
Iostreams base classes
<ios>
Stream buffers
<streambuf>
Formatting and manipulators
<iomanip>, <istream>, <ostream>
String streams
<sstream>
File streams
<fstream>
Synchronized output streams
<syncstream>
File systems
<filesystem>
C library files
<cstdio>, <cinttypes>