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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[edit]

Types

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

Functions

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

Macros

Format constants for the fprintf family of functions
PRId8PRId16PRId32PRId64PRIdLEAST8PRIdLEAST16PRIdLEAST32PRIdLEAST64PRIdFAST8PRIdFAST16PRIdFAST32PRIdFAST64PRIdMAXPRIdPTR
(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)
PRIi8PRIi16PRIi32PRIi64PRIiLEAST8PRIiLEAST16PRIiLEAST32PRIiLEAST64PRIiFAST8PRIiFAST16PRIiFAST32PRIiFAST64PRIiMAXPRIiPTR
(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)
PRIu8PRIu16PRIu32PRIu64PRIuLEAST8PRIuLEAST16PRIuLEAST32PRIuLEAST64PRIuFAST8PRIuFAST16PRIuFAST32PRIuFAST64PRIuMAXPRIuPTR
(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)
PRIo8PRIo16PRIo32PRIo64PRIoLEAST8PRIoLEAST16PRIoLEAST32PRIoLEAST64PRIoFAST8PRIoFAST16PRIoFAST32PRIoFAST64PRIoMAXPRIoPTR
(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)
PRIx8PRIx16PRIx32PRIx64PRIxLEAST8PRIxLEAST16PRIxLEAST32PRIxLEAST64PRIxFAST8PRIxFAST16PRIxFAST32PRIxFAST64PRIxMAXPRIxPTR
(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)
PRIX8PRIX16PRIX32PRIX64PRIXLEAST8PRIXLEAST16PRIXLEAST32PRIXLEAST64PRIXFAST8PRIXFAST16PRIXFAST32PRIXFAST64PRIXMAXPRIXPTR
(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
SCNd8SCNd16SCNd32SCNd64SCNdLEAST8SCNdLEAST16SCNdLEAST32SCNdLEAST64SCNdFAST8SCNdFAST16SCNdFAST32SCNdFAST64SCNdMAXSCNdPTR
(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)
SCNi8SCNi16SCNi32SCNi64SCNiLEAST8SCNiLEAST16SCNiLEAST32SCNiLEAST64SCNiFAST8SCNiFAST16SCNiFAST32SCNiFAST64SCNiMAXSCNiPTR
(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)
SCNu8SCNu16SCNu32SCNu64SCNuLEAST8SCNuLEAST16SCNuLEAST32SCNuLEAST64SCNuFAST8SCNuFAST16SCNuFAST32SCNuFAST64SCNuMAXSCNuPTR
(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)
SCNo8SCNo16SCNo32SCNo64SCNoLEAST8SCNoLEAST16SCNoLEAST32SCNoLEAST64SCNoFAST8SCNoFAST16SCNoFAST32SCNoFAST64SCNoMAXSCNoPTR
(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)
SCNx8SCNx16SCNx32SCNx64SCNxLEAST8SCNxLEAST16SCNxLEAST32SCNxLEAST64SCNxFAST8SCNxFAST16SCNxFAST32SCNxFAST64SCNxMAXSCNxPTR
(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)


[edit] 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 */
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