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C++
Compiler support
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Language
Standard library
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Feature test macros
(C++20)
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Concepts library
(C++20)
Diagnostics library
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(C++11)
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Containers library
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Ranges library
(C++20)
Algorithms library
Strings library
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Numerics library
Date and time library
Input/output library
Filesystem library
(C++17)
Concurrency support library
(C++11)
Execution control library
(C++26)
Technical specifications
Symbols index
External libraries
[edit]
Input/output library
I/O manipulators
Print functions
(C++23)
C-style I/O
Buffers
basic_streambuf
basic_filebuf
basic_stringbuf
basic_spanbuf
(C++23)
strstreambuf
(
C++98/26*
)
basic_syncbuf
(C++20)
Streams
Abstractions
ios_base
basic_ios
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basic_iostream
File I/O
basic_ifstream
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String I/O
basic_istringstream
basic_ostringstream
basic_stringstream
Array I/O
basic_ispanstream
(C++23)
basic_ospanstream
(C++23)
basic_spanstream
(C++23)
istrstream
(
C++98/26*
)
ostrstream
(
C++98/26*
)
strstream
(
C++98/26*
)
Synchronized Output
basic_osyncstream
(C++20)
Types
streamoff
streamsize
fpos
Error category interface
iostream_category
(C++11)
io_errc
(C++11)
[edit]
Input/output manipulators
Floating-point formatting
showpoint
noshowpoint
setprecision
fixed
scientific
hexfloat
defaultfloat
(C++11)
(C++11)
Integer formatting
setbase
showbase
noshowbase
dec
hex
oct
Boolean formatting
boolalpha
noboolalpha
Field width and fill control
setfill
setw
internal
left
right
Other formatting
showpos
noshowpos
uppercase
nouppercase
Whitespace processing
ws
ends
skipws
noskipws
Output flushing
flush
endl
flush_emit
(C++20)
unitbuf
nounitbuf
emit_on_flush
noemit_on_flush
(C++20)
(C++20)
Status flags manipulation
resetiosflags
setiosflags
Time and money I/O
get_money
(C++11)
get_time
(C++11)
put_money
(C++11)
put_time
(C++11)
Quoted manipulator
quoted
(C++14)
[edit]
Defined in header