まとめておく。inttypes.hを使えば%PRId64等のマクロが利用できるが実際は%lldと同じ
気をもつなければならないのは「%" PRId64"」のように指定して%の後にダブルクオテーションが必要。
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printf,frpintfの型で指定できる型まとめ
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型 printf,frpintfで表示させるとき
ssize_t %zd
size_t %zu
int_max_t %jd
uintmax_t %ju
signed char %hhd
unsigned char %hhu
short int %hd
unsigned short int %hu
int %d
unsinged int %u
long int %ld
unsigned long int %lu
long long int %lld
unsigned long long int %llu
inttypes.hと__STDC_FORMAT_MACROSが定義している場合のみ
int32_t %PRId32
uint32_t %PRIu32
int64_t %PRId64
uint64_t %PRIu64
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<form>
inttypes.h
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/* Copyright (C) 1997-2001, 2004, 2007, 2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
/*
* ISO C99: 7.8 Format conversion of integer types <inttypes.h>
*/
#ifndef _INTTYPES_H
#define _INTTYPES_H 1
#include <features.h>
/* Get the type definitions. */
#include <stdint.h>
/* Get a definition for wchar_t. But we must not define wchar_t itself. */
#ifndef ____gwchar_t_defined
# ifdef __cplusplus
# define __gwchar_t wchar_t
# elif defined __WCHAR_TYPE__
typedef __WCHAR_TYPE__ __gwchar_t;
# else
# define __need_wchar_t
# include <stddef.h>
typedef wchar_t __gwchar_t;
# endif
# define ____gwchar_t_defined 1
#endif
/* The ISO C99 standard specifies that these macros must only be
defined if explicitly requested. */
#if !defined __cplusplus || defined __STDC_FORMAT_MACROS
# if __WORDSIZE == 64
# define __PRI64_PREFIX "l"
# define __PRIPTR_PREFIX "l"
# else
# define __PRI64_PREFIX "ll"
# define __PRIPTR_PREFIX
# endif
/* Macros for printing format specifiers. */
/* Decimal notation. */
# define PRId8 "d"
# define PRId16 "d"
# define PRId32 "d"
# define PRId64 __PRI64_PREFIX "d"
# define PRIdLEAST8 "d"
# define PRIdLEAST16 "d"
# define PRIdLEAST32 "d"
# define PRIdLEAST64 __PRI64_PREFIX "d"
# define PRIdFAST8 "d"
# define PRIdFAST16 __PRIPTR_PREFIX "d"
# define PRIdFAST32 __PRIPTR_PREFIX "d"
# define PRIdFAST64 __PRI64_PREFIX "d"
# define PRIi8 "i"
# define PRIi16 "i"
# define PRIi32 "i"
# define PRIi64 __PRI64_PREFIX "i"
# define PRIiLEAST8 "i"
# define PRIiLEAST16 "i"
# define PRIiLEAST32 "i"
# define PRIiLEAST64 __PRI64_PREFIX "i"
# define PRIiFAST8 "i"
# define PRIiFAST16 __PRIPTR_PREFIX "i"
# define PRIiFAST32 __PRIPTR_PREFIX "i"
# define PRIiFAST64 __PRI64_PREFIX "i"
/* Octal notation. */
# define PRIo8 "o"
# define PRIo16 "o"
# define PRIo32 "o"
# define PRIo64 __PRI64_PREFIX "o"
# define PRIoLEAST8 "o"
# define PRIoLEAST16 "o"
# define PRIoLEAST32 "o"
# define PRIoLEAST64 __PRI64_PREFIX "o"
# define PRIoFAST8 "o"
# define PRIoFAST16 __PRIPTR_PREFIX "o"
# define PRIoFAST32 __PRIPTR_PREFIX "o"
# define PRIoFAST64 __PRI64_PREFIX "o"
/* Unsigned integers. */
# define PRIu8 "u"
# define PRIu16 "u"
# define PRIu32 "u"
# define PRIu64 __PRI64_PREFIX "u"
# define PRIuLEAST8 "u"
# define PRIuLEAST16 "u"
# define PRIuLEAST32 "u"
# define PRIuLEAST64 __PRI64_PREFIX "u"
# define PRIuFAST8 "u"
# define PRIuFAST16 __PRIPTR_PREFIX "u"
# define PRIuFAST32 __PRIPTR_PREFIX "u"
# define PRIuFAST64 __PRI64_PREFIX "u"
/* lowercase hexadecimal notation. */
# define PRIx8 "x"
# define PRIx16 "x"
# define PRIx32 "x"
# define PRIx64 __PRI64_PREFIX "x"
# define PRIxLEAST8 "x"
# define PRIxLEAST16 "x"
# define PRIxLEAST32 "x"
# define PRIxLEAST64 __PRI64_PREFIX "x"
# define PRIxFAST8 "x"
# define PRIxFAST16 __PRIPTR_PREFIX "x"
# define PRIxFAST32 __PRIPTR_PREFIX "x"
# define PRIxFAST64 __PRI64_PREFIX "x"
/* UPPERCASE hexadecimal notation. */
# define PRIX8 "X"
# define PRIX16 "X"
# define PRIX32 "X"
# define PRIX64 __PRI64_PREFIX "X"
# define PRIXLEAST8 "X"
# define PRIXLEAST16 "X"
# define PRIXLEAST32 "X"
# define PRIXLEAST64 __PRI64_PREFIX "X"
# define PRIXFAST8 "X"
# define PRIXFAST16 __PRIPTR_PREFIX "X"
# define PRIXFAST32 __PRIPTR_PREFIX "X"
# define PRIXFAST64 __PRI64_PREFIX "X"
/* Macros for printing `intmax_t' and `uintmax_t'. */
# define PRIdMAX __PRI64_PREFIX "d"
# define PRIiMAX __PRI64_PREFIX "i"
# define PRIoMAX __PRI64_PREFIX "o"
# define PRIuMAX __PRI64_PREFIX "u"
# define PRIxMAX __PRI64_PREFIX "x"
# define PRIXMAX __PRI64_PREFIX "X"
/* Macros for printing `intptr_t' and `uintptr_t'. */
# define PRIdPTR __PRIPTR_PREFIX "d"
# define PRIiPTR __PRIPTR_PREFIX "i"
# define PRIoPTR __PRIPTR_PREFIX "o"
# define PRIuPTR __PRIPTR_PREFIX "u"
# define PRIxPTR __PRIPTR_PREFIX "x"
# define PRIXPTR __PRIPTR_PREFIX "X"
/* Macros for scanning format specifiers. */
/* Signed decimal notation. */
# define SCNd8 "hhd"
# define SCNd16 "hd"
# define SCNd32 "d"
# define SCNd64 __PRI64_PREFIX "d"
# define SCNdLEAST8 "hhd"
# define SCNdLEAST16 "hd"
# define SCNdLEAST32 "d"
# define SCNdLEAST64 __PRI64_PREFIX "d"
# define SCNdFAST8 "hhd"
# define SCNdFAST16 __PRIPTR_PREFIX "d"
# define SCNdFAST32 __PRIPTR_PREFIX "d"
# define SCNdFAST64 __PRI64_PREFIX "d"
/* Signed decimal notation. */
# define SCNi8 "hhi"
# define SCNi16 "hi"
# define SCNi32 "i"
# define SCNi64 __PRI64_PREFIX "i"
# define SCNiLEAST8 "hhi"
# define SCNiLEAST16 "hi"
# define SCNiLEAST32 "i"
# define SCNiLEAST64 __PRI64_PREFIX "i"
# define SCNiFAST8 "hhi"
# define SCNiFAST16 __PRIPTR_PREFIX "i"
# define SCNiFAST32 __PRIPTR_PREFIX "i"
# define SCNiFAST64 __PRI64_PREFIX "i"
/* Unsigned decimal notation. */
# define SCNu8 "hhu"
# define SCNu16 "hu"
# define SCNu32 "u"
# define SCNu64 __PRI64_PREFIX "u"
# define SCNuLEAST8 "hhu"
# define SCNuLEAST16 "hu"
# define SCNuLEAST32 "u"
# define SCNuLEAST64 __PRI64_PREFIX "u"
# define SCNuFAST8 "hhu"
# define SCNuFAST16 __PRIPTR_PREFIX "u"
# define SCNuFAST32 __PRIPTR_PREFIX "u"
# define SCNuFAST64 __PRI64_PREFIX "u"
/* Octal notation. */
# define SCNo8 "hho"
# define SCNo16 "ho"
# define SCNo32 "o"
# define SCNo64 __PRI64_PREFIX "o"
# define SCNoLEAST8 "hho"
# define SCNoLEAST16 "ho"
# define SCNoLEAST32 "o"
# define SCNoLEAST64 __PRI64_PREFIX "o"
# define SCNoFAST8 "hho"
# define SCNoFAST16 __PRIPTR_PREFIX "o"
# define SCNoFAST32 __PRIPTR_PREFIX "o"
# define SCNoFAST64 __PRI64_PREFIX "o"
/* Hexadecimal notation. */
# define SCNx8 "hhx"
# define SCNx16 "hx"
# define SCNx32 "x"
# define SCNx64 __PRI64_PREFIX "x"
# define SCNxLEAST8 "hhx"
# define SCNxLEAST16 "hx"
# define SCNxLEAST32 "x"
# define SCNxLEAST64 __PRI64_PREFIX "x"
# define SCNxFAST8 "hhx"
# define SCNxFAST16 __PRIPTR_PREFIX "x"
# define SCNxFAST32 __PRIPTR_PREFIX "x"
# define SCNxFAST64 __PRI64_PREFIX "x"
/* Macros for scanning `intmax_t' and `uintmax_t'. */
# define SCNdMAX __PRI64_PREFIX "d"
# define SCNiMAX __PRI64_PREFIX "i"
# define SCNoMAX __PRI64_PREFIX "o"
# define SCNuMAX __PRI64_PREFIX "u"
# define SCNxMAX __PRI64_PREFIX "x"
/* Macros for scaning `intptr_t' and `uintptr_t'. */
# define SCNdPTR __PRIPTR_PREFIX "d"
# define SCNiPTR __PRIPTR_PREFIX "i"
# define SCNoPTR __PRIPTR_PREFIX "o"
# define SCNuPTR __PRIPTR_PREFIX "u"
# define SCNxPTR __PRIPTR_PREFIX "x"
#endif /* C++ && format macros */
__BEGIN_DECLS
#if __WORDSIZE == 64
/* We have to define the `uintmax_t' type using `ldiv_t'. */
typedef struct
{
long int quot; /* Quotient. */
long int rem; /* Remainder. */
} imaxdiv_t;
#else
/* We have to define the `uintmax_t' type using `lldiv_t'. */
typedef struct
{
long long int quot; /* Quotient. */
long long int rem; /* Remainder. */
} imaxdiv_t;
#endif
/* Compute absolute value of N. */
extern intmax_t imaxabs (intmax_t __n) __THROW __attribute__ ((__const__));
/* Return the `imaxdiv_t' representation of the value of NUMER over DENOM. */
extern imaxdiv_t imaxdiv (intmax_t __numer, intmax_t __denom)
__THROW __attribute__ ((__const__));
/* Like `strtol' but convert to `intmax_t'. */
extern intmax_t strtoimax (const char *__restrict __nptr,
char **__restrict __endptr, int __base) __THROW;
/* Like `strtoul' but convert to `uintmax_t'. */
extern uintmax_t strtoumax (const char *__restrict __nptr,
char ** __restrict __endptr, int __base) __THROW;
/* Like `wcstol' but convert to `intmax_t'. */
extern intmax_t wcstoimax (const __gwchar_t *__restrict __nptr,
__gwchar_t **__restrict __endptr, int __base)
__THROW;
/* Like `wcstoul' but convert to `uintmax_t'. */
extern uintmax_t wcstoumax (const __gwchar_t *__restrict __nptr,
__gwchar_t ** __restrict __endptr, int __base)
__THROW;
#ifdef __USE_EXTERN_INLINES
# if __WORDSIZE == 64
extern long int __strtol_internal (const char *__restrict __nptr,
char **__restrict __endptr,
int __base, int __group)
__THROW __nonnull ((1)) __wur;
/* Like `strtol' but convert to `intmax_t'. */
__extern_inline intmax_t
__NTH (strtoimax (const char *__restrict nptr, char **__restrict endptr,
int base))
{
return __strtol_internal (nptr, endptr, base, 0);
}
extern unsigned long int __strtoul_internal (const char *__restrict __nptr,
char ** __restrict __endptr,
int __base, int __group)
__THROW __nonnull ((1)) __wur;
/* Like `strtoul' but convert to `uintmax_t'. */
__extern_inline uintmax_t
__NTH (strtoumax (const char *__restrict nptr, char **__restrict endptr,
int base))
{
return __strtoul_internal (nptr, endptr, base, 0);
}
extern long int __wcstol_internal (const __gwchar_t * __restrict __nptr,
__gwchar_t **__restrict __endptr,
int __base, int __group)
__THROW __nonnull ((1)) __wur;
/* Like `wcstol' but convert to `intmax_t'. */
__extern_inline intmax_t
__NTH (wcstoimax (const __gwchar_t *__restrict nptr,
__gwchar_t **__restrict endptr, int base))
{
return __wcstol_internal (nptr, endptr, base, 0);
}
extern unsigned long int __wcstoul_internal (const __gwchar_t *
__restrict __nptr,
__gwchar_t **
__restrict __endptr,
int __base, int __group)
__THROW __nonnull ((1)) __wur;
/* Like `wcstoul' but convert to `uintmax_t'. */
__extern_inline uintmax_t
__NTH (wcstoumax (const __gwchar_t *__restrict nptr,
__gwchar_t **__restrict endptr, int base))
{
return __wcstoul_internal (nptr, endptr, base, 0);
}
# else /* __WORDSIZE == 32 */
__extension__
extern long long int __strtoll_internal (const char *__restrict __nptr,
char **__restrict __endptr,
int __base, int __group)
__THROW __nonnull ((1)) __wur;
/* Like `strtol' but convert to `intmax_t'. */
__extern_inline intmax_t
__NTH (strtoimax (const char *__restrict nptr, char **__restrict endptr,
int base))
{
return __strtoll_internal (nptr, endptr, base, 0);
}
__extension__
extern unsigned long long int __strtoull_internal (const char *
__restrict __nptr,
char **
__restrict __endptr,
int __base,
int __group)
__THROW __nonnull ((1)) __wur;
/* Like `strtoul' but convert to `uintmax_t'. */
__extern_inline uintmax_t
__NTH (strtoumax (const char *__restrict nptr, char **__restrict endptr,
int base))
{
return __strtoull_internal (nptr, endptr, base, 0);
}
__extension__
extern long long int __wcstoll_internal (const __gwchar_t *__restrict __nptr,
__gwchar_t **__restrict __endptr,
int __base, int __group)
__THROW __nonnull ((1)) __wur;
/* Like `wcstol' but convert to `intmax_t'. */
__extern_inline intmax_t
__NTH (wcstoimax (const __gwchar_t *__restrict nptr,
__gwchar_t **__restrict endptr, int base))
{
return __wcstoll_internal (nptr, endptr, base, 0);
}
__extension__
extern unsigned long long int __wcstoull_internal (const __gwchar_t *
__restrict __nptr,
__gwchar_t **
__restrict __endptr,
int __base,
int __group)
__THROW __nonnull ((1)) __wur;
/* Like `wcstoul' but convert to `uintmax_t'. */
__extern_inline uintmax_t
__NTH (wcstoumax (const __gwchar_t *__restrict nptr,
__gwchar_t **__restrict endptr, int base))
{
return __wcstoull_internal (nptr, endptr, base, 0);
}
# endif /* __WORDSIZE == 32 */
#endif /* Use extern inlines. */
__END_DECLS
#endif /* inttypes.h */
</textarea>
<form>
PRId64サンプル
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#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#define __STDC_FORMAT_MACROS
int main(int argc,char *argv[])
{
int64_t data = 0xfffffffff;
printf(" data=%"PRId64"\n",data);
return 0;
}
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