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Standard library header <inttypes.h> (C99)

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C
Standard Library headers

This header is part of the type support library, in particular, it is a part of format conversion of integer types interface.

Contents

Includes

(C99)
Fixed-width integer types

Types

(C99)
structure type, return of the imaxdiv function
(typedef)

Functions

(C99)
computes absolute value of an integral value ( |x| )
(function)
(C99)
computes quotient and remainder of integer division
(function)
(C99) (C99)
converts a byte string to intmax_t or uintmax_t
(function)
(C99) (C99)
converts a wide string to intmax_t or uintmax_t
(function)

Macros

Format constants for the fprintf family of functions
PRId8 PRId16 PRId32 PRId64 PRIdLEAST8 PRIdLEAST16 PRIdLEAST32 PRIdLEAST64 PRIdFAST8 PRIdFAST16 PRIdFAST32 PRIdFAST64 PRIdMAX PRIdPTR
(C99)
format conversion specifier to output a signed decimal integer value of type int8_t , int16_t , int32_t , int64_t , int_least8_t , int_least16_t , int_least32_t , int_least64_t , int_fast8_t , int_fast16_t , int_fast32_t , int_fast64_t , intmax_t , intptr_t respectively, equivalent to d for int
(macro constant)
PRIi8 PRIi16 PRIi32 PRIi64 PRIiLEAST8 PRIiLEAST16 PRIiLEAST32 PRIiLEAST64 PRIiFAST8 PRIiFAST16 PRIiFAST32 PRIiFAST64 PRIiMAX PRIiPTR
(C99)
format conversion specifier to output a signed decimal integer value of type int8_t , int16_t , int32_t , int64_t , int_least8_t , int_least16_t , int_least32_t , int_least64_t , int_fast8_t , int_fast16_t , int_fast32_t , int_fast64_t , intmax_t , intptr_t respectively, equivalent to i for int
(macro constant)
PRIu8 PRIu16 PRIu32 PRIu64 PRIuLEAST8 PRIuLEAST16 PRIuLEAST32 PRIuLEAST64 PRIuFAST8 PRIuFAST16 PRIuFAST32 PRIuFAST64 PRIuMAX PRIuPTR
(C99)
format conversion specifier to output an unsigned decimal integer value of type uint8_t , uint16_t , uint32_t , uint64_t , uint_least8_t , uint_least16_t , uint_least32_t , uint_least64_t , uint_fast8_t , uint_fast16_t , uint_fast32_t , uint_fast64_t , uintmax_t , uintptr_t respectively, equivalent to u for unsigned int
(macro constant)
PRIo8 PRIo16 PRIo32 PRIo64 PRIoLEAST8 PRIoLEAST16 PRIoLEAST32 PRIoLEAST64 PRIoFAST8 PRIoFAST16 PRIoFAST32 PRIoFAST64 PRIoMAX PRIoPTR
(C99)
format conversion specifier to output an unsigned octal integer value of type uint8_t , uint16_t , uint32_t , uint64_t , uint_least8_t , uint_least16_t , uint_least32_t , uint_least64_t , uint_fast8_t , uint_fast16_t , uint_fast32_t , uint_fast64_t , uintmax_t , uintptr_t respectively, equivalent to o for unsigned int
(macro constant)
PRIx8 PRIx16 PRIx32 PRIx64 PRIxLEAST8 PRIxLEAST16 PRIxLEAST32 PRIxLEAST64 PRIxFAST8 PRIxFAST16 PRIxFAST32 PRIxFAST64 PRIxMAX PRIxPTR
(C99)
format conversion specifier to output an unsigned lowercase hexadecimal integer value of type uint8_t , uint16_t , uint32_t , uint64_t , uint_least8_t , uint_least16_t , uint_least32_t , uint_least64_t , uint_fast8_t , uint_fast16_t , uint_fast32_t , uint_fast64_t , uintmax_t , uintptr_t respectively, equivalent to x for unsigned int
(macro constant)
PRIX8 PRIX16 PRIX32 PRIX64 PRIXLEAST8 PRIXLEAST16 PRIXLEAST32 PRIXLEAST64 PRIXFAST8 PRIXFAST16 PRIXFAST32 PRIXFAST64 PRIXMAX PRIXPTR
(C99)
format conversion specifier to output an unsigned uppercase hexadecimal integer value of type uint8_t , uint16_t , uint32_t , uint64_t , uint_least8_t , uint_least16_t , uint_least32_t , uint_least64_t , uint_fast8_t , uint_fast16_t , uint_fast32_t , uint_fast64_t , uintmax_t , uintptr_t respectively, equivalent to X for unsigned int
(macro constant)
Format constants for the fscanf family of functions
SCNd8 SCNd16 SCNd32 SCNd64 SCNdLEAST8 SCNdLEAST16 SCNdLEAST32 SCNdLEAST64 SCNdFAST8 SCNdFAST16 SCNdFAST32 SCNdFAST64 SCNdMAX SCNdPTR
(C99)
format conversion specifier to input a signed decimal integer value of type int8_t , int16_t , int32_t , int64_t , int_least8_t , int_least16_t , int_least32_t , int_least64_t , int_fast8_t , int_fast16_t , int_fast32_t , int_fast64_t , intmax_t , intptr_t respectively, equivalent to d for int
(macro constant)
SCNi8 SCNi16 SCNi32 SCNi64 SCNiLEAST8 SCNiLEAST16 SCNiLEAST32 SCNiLEAST64 SCNiFAST8 SCNiFAST16 SCNiFAST32 SCNiFAST64 SCNiMAX SCNiPTR
(C99)
format conversion specifier to input a signed decimal/octal/hexadecimal integer value of type int8_t , int16_t , int32_t , int64_t , int_least8_t , int_least16_t , int_least32_t , int_least64_t , int_fast8_t , int_fast16_t , int_fast32_t , int_fast64_t , intmax_t , intptr_t respectively, equivalent to i for int
(macro constant)
SCNu8 SCNu16 SCNu32 SCNu64 SCNuLEAST8 SCNuLEAST16 SCNuLEAST32 SCNuLEAST64 SCNuFAST8 SCNuFAST16 SCNuFAST32 SCNuFAST64 SCNuMAX SCNuPTR
(C99)
format conversion specifier to input an unsigned decimal integer value of type uint8_t , uint16_t , uint32_t , uint64_t , uint_least8_t , uint_least16_t , uint_least32_t , uint_least64_t , uint_fast8_t , uint_fast16_t , uint_fast32_t , uint_fast64_t , uintmax_t , uintptr_t respectively, equivalent to u for unsigned int
(macro constant)
SCNo8 SCNo16 SCNo32 SCNo64 SCNoLEAST8 SCNoLEAST16 SCNoLEAST32 SCNoLEAST64 SCNoFAST8 SCNoFAST16 SCNoFAST32 SCNoFAST64 SCNoMAX SCNoPTR
(C99)
format conversion specifier to input an unsigned octal integer value of type uint8_t , uint16_t , uint32_t , uint64_t , uint_least8_t , uint_least16_t , uint_least32_t , uint_least64_t , uint_fast8_t , uint_fast16_t , uint_fast32_t , uint_fast64_t , uintmax_t , uintptr_t respectively, equivalent to o for unsigned int
(macro constant)
SCNx8 SCNx16 SCNx32 SCNx64 SCNxLEAST8 SCNxLEAST16 SCNxLEAST32 SCNxLEAST64 SCNxFAST8 SCNxFAST16 SCNxFAST32 SCNxFAST64 SCNxMAX SCNxPTR
(C99)
format conversion specifier to input an unsigned hexadecimal integer value of type uint8_t , uint16_t , uint32_t , uint64_t , uint_least8_t , uint_least16_t , uint_least32_t , uint_least64_t , uint_fast8_t , uint_fast16_t , uint_fast32_t , uint_fast64_t , uintmax_t , uintptr_t respectively, equivalent to x for unsigned int
(macro constant)

Synopsis 

using imaxdiv_t = /* see description */;
intmax_t imaxabs(intmax_t j);
imaxdiv_t imaxdiv(intmax_t numer, intmax_t denom);
intmax_t strtoimax(const char* restrict nptr, char** restrict endptr, int base);
uintmax_t strtoumax(const char* restrict nptr, char** restrict endptr, int base);
intmax_t wcstoimax(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base);
uintmax_t wcstoumax(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base);
#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 */