Standard library header <cinttypes> (C++11)

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Compiler support
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Language
Standard library
Standard library headers
Named requirements
Feature test macros(C++20)
Language support library
Concepts library(C++20)
Diagnostics library
Memory management library
Metaprogramming library(C++11)
General utilities library
Containers library
Iterators library
Ranges library(C++20)
Algorithms library
Strings library
Text processing library
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]

Standard library headers

Language support
`<cfloat>`
`<climits>`
`<compare>`(C++20)
`<contracts>`(C++26)
`<coroutine>`(C++20)
`<csetjmp>`
`<csignal>`
`<cstdarg>`
`<cstddef>`
`<cstdint>`(C++11)
`<cstdlib>`
`<exception>`
`<initializer_list>`(C++11)
`<limits>`
`<new>`
`<source_location>`(C++20)
`<stdfloat>`(C++23)
`<typeinfo>`
`<version>`(C++20)
Concepts
`<concepts>`(C++20)
Diagnostics
`<cassert>`
`<cerrno>`
`<debugging>`(C++26)
`<stacktrace>`(C++23)
`<stdexcept>`
`<system_error>`(C++11)
Memory management
`<memory>`
`<memory_resource>`(C++17)
`<scoped_allocator>`(C++11)
Metaprogramming
`<type_traits>`(C++11)
`<ratio>`(C++11)

General utilities
`<any>`(C++17)
`<bitset>`
`<bit>`(C++20)
`<charconv>`(C++17)
`<expected>`(C++23)
`<format>`(C++20)
`<functional>`
`<optional>`(C++17)
`<stdbit.h>`(C++26)
`<tuple>`(C++11)
`<typeindex>`(C++11)
`<utility>`
`<variant>`(C++17)
Containers
`<array>`(C++11)
`<deque>`
`<flat_map>`(C++23)
`<flat_set>`(C++23)
`<forward_list>`(C++11)
`<hive>`(C++26)
`<inplace_vector>`(C++26)
`<list>`
`<map>`
`<mdspan>`(C++23)
`<queue>`
`<set>`
`<span>`(C++20)
`<stack>`
`<unordered_map>`(C++11)
`<unordered_set>`(C++11)
`<vector>`
Iterators
`<iterator>`
Ranges
`<generator>`(C++23)
`<ranges>`(C++20)

Algorithms
`<algorithm>`
`<numeric>`
Strings
`<cctype>`
`<cstring>`
`<cuchar>`(C++11)
`<cwchar>`
`<cwctype>`
`<string_view>`(C++17)
`<string>`
Text processing
`<clocale>`
`<codecvt>`(C++11/17/26*)
`<locale>`
`<regex>`(C++11)
`<text_encoding>`(C++26)
Numerics
`<cfenv>`(C++11)
`<cmath>`
`<complex>`
`<linalg>`(C++26)
`<numbers>`(C++20)
`<random>`(C++11)
`<simd>`(C++26)
`<stdckdint.h>`(C++26)
`<valarray>`
Time
`<chrono>`(C++11)
`<ctime>`
C compatibility
`<ccomplex>`(C++11/17/20*)
`<ciso646>`(until C++20)
`<cstdalign>`(C++11/17/20*)
`<cstdbool>`(C++11/17/20*)
`<ctgmath>`(C++11/17/20*)

Input/output
`<cinttypes>`(C++11)
`<cstdio>`
`<filesystem>`(C++17)
`<fstream>`
`<iomanip>`
`<iosfwd>`
`<iostream>`
`<ios>`
`<istream>`
`<ostream>`
`<print>`(C++23)
`<spanstream>`(C++23)
`<sstream>`
`<streambuf>`
`<strstream>`(C++98/26*)
`<syncstream>`(C++20)
Concurrency support
`<atomic>`(C++11)
`<barrier>`(C++20)
`<condition_variable>`(C++11)
`<future>`(C++11)
`<hazard_pointer>`(C++26)
`<latch>`(C++20)
`<mutex>`(C++11)
`<rcu>`(C++26)
`<semaphore>`(C++20)
`<shared_mutex>`(C++14)
`<stdatomic.h>`(C++23)
`<stop_token>`(C++20)
`<thread>`(C++11)
Execution support
`<execution>`(C++17)

[edit]

This header was originally in the C standard library as<inttypes.h>.

Includes

(C++11)

Fixed-width integer types andlimits of other types[edit]

Types

imaxdiv_t

(C++11)

structure type, returned bystd::imaxdiv
(typedef)[edit]

Functions

abs(std::intmax_t)imaxabs

(C++11)(C++11)

computes absolute value of an integral value (\(\small{|x|}\)|x|)
(function)[edit]

div(std::intmax_t)imaxdiv

(C++11)(C++11)

computes quotient and remainder of integer division
(function)[edit]

strtoimaxstrtoumax

(C++11)(C++11)

converts a byte string tostd::intmax_t orstd::uintmax_t
(function)[edit]

wcstoimaxwcstoumax

(C++11)(C++11)

converts a wide string tostd::intmax_t orstd::uintmax_t
(function)[edit]

Macros

Format constants for thestd::fprintf family of functions

PRId8PRId16PRId32PRId64PRIdLEAST8PRIdLEAST16PRIdLEAST32PRIdLEAST64PRIdFAST8PRIdFAST16PRIdFAST32PRIdFAST64PRIdMAXPRIdPTR

(C++11)

format conversion specifier to output a signed decimal integer value of typestd::int8_t,std::int16_t,std::int32_t,std::int64_t,std::int_least8_t,std::int_least16_t,std::int_least32_t,std::int_least64_t,std::int_fast8_t,std::int_fast16_t,std::int_fast32_t,std::int_fast64_t,std::intmax_t,std::intptr_t respectively, equivalent tod forint
(macro constant)

PRIi8PRIi16PRIi32PRIi64PRIiLEAST8PRIiLEAST16PRIiLEAST32PRIiLEAST64PRIiFAST8PRIiFAST16PRIiFAST32PRIiFAST64PRIiMAXPRIiPTR

(C++11)

PRIu8PRIu16PRIu32PRIu64PRIuLEAST8PRIuLEAST16PRIuLEAST32PRIuLEAST64PRIuFAST8PRIuFAST16PRIuFAST32PRIuFAST64PRIuMAXPRIuPTR

(C++11)

format conversion specifier to output an unsigned decimal integer value of typestd::uint8_t,std::uint16_t,std::uint32_t,std::uint64_t,std::uint_least8_t,std::uint_least16_t,std::uint_least32_t,std::uint_least64_t,std::uint_fast8_t,std::uint_fast16_t,std::uint_fast32_t,std::uint_fast64_t,std::uintmax_t,std::uintptr_t respectively, equivalent tou forunsignedint
(macro constant)

PRIo8PRIo16PRIo32PRIo64PRIoLEAST8PRIoLEAST16PRIoLEAST32PRIoLEAST64PRIoFAST8PRIoFAST16PRIoFAST32PRIoFAST64PRIoMAXPRIoPTR

(C++11)

format conversion specifier to output an unsigned octal integer value of typestd::uint8_t,std::uint16_t,std::uint32_t,std::uint64_t,std::uint_least8_t,std::uint_least16_t,std::uint_least32_t,std::uint_least64_t,std::uint_fast8_t,std::uint_fast16_t,std::uint_fast32_t,std::uint_fast64_t,std::uintmax_t,std::uintptr_t respectively, equivalent too forunsignedint
(macro constant)

PRIx8PRIx16PRIx32PRIx64PRIxLEAST8PRIxLEAST16PRIxLEAST32PRIxLEAST64PRIxFAST8PRIxFAST16PRIxFAST32PRIxFAST64PRIxMAXPRIxPTR

(C++11)

format conversion specifier to output an unsigned lowercase hexadecimal integer value of typestd::uint8_t,std::uint16_t,std::uint32_t,std::uint64_t,std::uint_least8_t,std::uint_least16_t,std::uint_least32_t,std::uint_least64_t,std::uint_fast8_t,std::uint_fast16_t,std::uint_fast32_t,std::uint_fast64_t,std::uintmax_t,std::uintptr_t respectively, equivalent tox forunsignedint
(macro constant)

PRIX8PRIX16PRIX32PRIX64PRIXLEAST8PRIXLEAST16PRIXLEAST32PRIXLEAST64PRIXFAST8PRIXFAST16PRIXFAST32PRIXFAST64PRIXMAXPRIXPTR

(C++11)

format conversion specifier to output an unsigned uppercase hexadecimal integer value of typestd::uint8_t,std::uint16_t,std::uint32_t,std::uint64_t,std::uint_least8_t,std::uint_least16_t,std::uint_least32_t,std::uint_least64_t,std::uint_fast8_t,std::uint_fast16_t,std::uint_fast32_t,std::uint_fast64_t,std::uintmax_t,std::uintptr_t respectively, equivalent toX forunsignedint
(macro constant)

Format constants for thestd::fscanf family of functions

SCNd8SCNd16SCNd32SCNd64SCNdLEAST8SCNdLEAST16SCNdLEAST32SCNdLEAST64SCNdFAST8SCNdFAST16SCNdFAST32SCNdFAST64SCNdMAXSCNdPTR

(C++11)

format conversion specifier to input a signed decimal integer value of typestd::int8_t,std::int16_t,std::int32_t,std::int64_t,std::int_least8_t,std::int_least16_t,std::int_least32_t,std::int_least64_t,std::int_fast8_t,std::int_fast16_t,std::int_fast32_t,std::int_fast64_t,std::intmax_t,std::intptr_t respectively, equivalent tod forint
(macro constant)

SCNi8SCNi16SCNi32SCNi64SCNiLEAST8SCNiLEAST16SCNiLEAST32SCNiLEAST64SCNiFAST8SCNiFAST16SCNiFAST32SCNiFAST64SCNiMAXSCNiPTR

(C++11)

format conversion specifier to input a signed decimal/octal/hexadecimal integer value of typestd::int8_t,std::int16_t,std::int32_t,std::int64_t,std::int_least8_t,std::int_least16_t,std::int_least32_t,std::int_least64_t,std::int_fast8_t,std::int_fast16_t,std::int_fast32_t,std::int_fast64_t,std::intmax_t,std::intptr_t respectively, equivalent toi forint
(macro constant)

SCNu8SCNu16SCNu32SCNu64SCNuLEAST8SCNuLEAST16SCNuLEAST32SCNuLEAST64SCNuFAST8SCNuFAST16SCNuFAST32SCNuFAST64SCNuMAXSCNuPTR

(C++11)

format conversion specifier to input an unsigned decimal integer value of typestd::uint8_t,std::uint16_t,std::uint32_t,std::uint64_t,std::uint_least8_t,std::uint_least16_t,std::uint_least32_t,std::uint_least64_t,std::uint_fast8_t,std::uint_fast16_t,std::uint_fast32_t,std::uint_fast64_t,std::uintmax_t,std::uintptr_t respectively, equivalent tou forunsignedint
(macro constant)

SCNo8SCNo16SCNo32SCNo64SCNoLEAST8SCNoLEAST16SCNoLEAST32SCNoLEAST64SCNoFAST8SCNoFAST16SCNoFAST32SCNoFAST64SCNoMAXSCNoPTR

(C++11)

format conversion specifier to input an unsigned octal integer value of typestd::uint8_t,std::uint16_t,std::uint32_t,std::uint64_t,std::uint_least8_t,std::uint_least16_t,std::uint_least32_t,std::uint_least64_t,std::uint_fast8_t,std::uint_fast16_t,std::uint_fast32_t,std::uint_fast64_t,std::uintmax_t,std::uintptr_t respectively, equivalent too forunsignedint
(macro constant)

SCNx8SCNx16SCNx32SCNx64SCNxLEAST8SCNxLEAST16SCNxLEAST32SCNxLEAST64SCNxFAST8SCNxFAST16SCNxFAST32SCNxFAST64SCNxMAXSCNxPTR

(C++11)

format conversion specifier to input an unsigned hexadecimal integer value of typestd::uint8_t,std::uint16_t,std::uint32_t,std::uint64_t,std::uint_least8_t,std::uint_least16_t,std::uint_least32_t,std::uint_least64_t,std::uint_fast8_t,std::uint_fast16_t,std::uint_fast32_t,std::uint_fast64_t,std::uintmax_t,std::uintptr_t respectively, equivalent tox forunsignedint
(macro constant)

[edit]Synopsis

#include <cstdint> namespace std{using imaxdiv_t=/* see description */; constexpr intmax_t imaxabs(intmax_t j);constexpr imaxdiv_t imaxdiv(intmax_t numer, intmax_t denom);    intmax_t strtoimax(constchar* nptr,char** endptr,int base);    uintmax_t strtoumax(constchar* nptr,char** endptr,int base);    intmax_t wcstoimax(constwchar_t* nptr,wchar_t** endptr,int base);    uintmax_t wcstoumax(constwchar_t* nptr,wchar_t** endptr,int base); constexpr intmax_t abs(intmax_t);// optional, see descriptionconstexpr imaxdiv_t div(intmax_t, intmax_t);// optional, see description} #define PRIdN /* see description */#define PRIiN /* see description */#define PRIoN /* see description */#define PRIuN /* see description */#define PRIxN /* see description */#define PRIXN /* see description */#define SCNdN /* see description */#define SCNiN /* see description */#define SCNoN /* see description */#define SCNuN /* see description */#define SCNxN /* see description */#define PRIdLEASTN /* see description */#define PRIiLEASTN /* see description */#define PRIoLEASTN /* see description */#define PRIuLEASTN /* see description */#define PRIxLEASTN /* see description */#define PRIXLEASTN /* see description */#define SCNdLEASTN /* see description */#define SCNiLEASTN /* see description */#define SCNoLEASTN /* see description */#define SCNuLEASTN /* see description */#define SCNxLEASTN /* see description */#define PRIdFASTN /* see description */#define PRIiFASTN /* see description */#define PRIoFASTN /* see description */#define PRIuFASTN /* see description */#define PRIxFASTN /* see description */#define PRIXFASTN /* see description */#define SCNdFASTN /* see description */#define SCNiFASTN /* see description */#define SCNoFASTN /* see description */#define SCNuFASTN /* see description */#define SCNxFASTN /* see description */#define PRIdMAX /* see description */#define PRIiMAX /* see description */#define PRIoMAX /* see description */#define PRIuMAX /* see description */#define PRIxMAX /* see description */#define PRIXMAX /* see description */#define SCNdMAX /* see description */#define SCNiMAX /* see description */#define SCNoMAX /* see description */#define SCNuMAX /* see description */#define SCNxMAX /* see description */#define PRIdPTR /* see description */#define PRIiPTR /* see description */#define PRIoPTR /* see description */#define PRIuPTR /* see description */#define PRIxPTR /* see description */#define PRIXPTR /* see description */#define SCNdPTR /* see description */#define SCNiPTR /* see description */#define SCNoPTR /* see description */#define SCNuPTR /* see description */#define SCNxPTR /* see description */