📄 stdint.h
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#ifndef _STDINT_H_
#define _STDINT_H_
/*
* ISO C99: 7.18 Integer types <stdint.h>
*/
#ifndef __int8_t_defined
#define __int8_t_defined
typedef char int8_t;
typedef int int16_t;
typedef long int int32_t;
#if defined(__GNUC__)
__extension__ typedef long long int int64_t;
#endif
typedef unsigned char uint8_t;
typedef unsigned int uint16_t;
typedef unsigned long int uint32_t;
#if defined(__GNUC__)
__extension__ typedef unsigned long long int uint64_t;
#endif
#endif
/* Small types. */
/* Signed. */
typedef signed char int_least8_t;
typedef int int_least16_t;
typedef long int int_least32_t;
#if defined(__GNUC__)
__extension__ typedef long long int int_least64_t;
#endif
/* Unsigned. */
typedef unsigned char uint_least8_t;
typedef unsigned int uint_least16_t;
typedef unsigned long int uint_least32_t;
#if defined(__GNUC__)
__extension__ typedef unsigned long long int uint_least64_t;
#endif
/* Fast types. */
/* Signed. */
typedef signed char int_fast8_t;
typedef int int_fast16_t;
typedef long int int_fast32_t;
#if defined(__GNUC__)
__extension__ typedef long long int int_fast64_t;
#endif
/* Unsigned. */
typedef unsigned char uint_fast8_t;
typedef unsigned int uint_fast16_t;
typedef unsigned long int uint_fast32_t;
#if defined(__GNUC__)
__extension__ typedef unsigned long long int uint_fast64_t;
#endif
/* Types for `void *' pointers. */
#ifndef __intptr_t_defined
#define __intptr_t_defined
typedef int intptr_t;
typedef unsigned int uintptr_t;
#endif
/* Largest integral types. */
#if defined(__GNUC__)
__extension__ typedef long long int intmax_t;
__extension__ typedef unsigned long long int uintmax_t;
#endif
/* The ISO C99 standard specifies that in C++ implementations these
macros should only be defined if explicitly requested. */
#if !defined __cplusplus || defined __STDC_LIMIT_MACROS
#define __INT64_C(c) c ## LL
#define __UINT64_C(c) c ## ULL
/* Limits of integral types. */
/* Minimum of signed integral types. */
#define INT8_MIN (-128)
#define INT16_MIN (-32767-1)
#define INT32_MIN (-2147483647-1)
#define INT64_MIN (-__INT64_C(9223372036854775807)-1)
/* Maximum of signed integral types. */
#define INT8_MAX (127)
#define INT16_MAX (32767)
#define INT32_MAX (2147483647)
#define INT64_MAX (__INT64_C(9223372036854775807))
/* Maximum of unsigned integral types. */
#define UINT8_MAX (255)
#define UINT16_MAX (65535)
#define UINT32_MAX (4294967295U)
#define UINT64_MAX (__UINT64_C(18446744073709551615))
/* Minimum of signed integral types having a minimum size. */
#define INT_LEAST8_MIN (-128)
#define INT_LEAST16_MIN (-32767-1)
#define INT_LEAST32_MIN (-2147483647-1)
#define INT_LEAST64_MIN (-__INT64_C(9223372036854775807)-1)
/* Maximum of signed integral types having a minimum size. */
#define INT_LEAST8_MAX (127)
#define INT_LEAST16_MAX (32767)
#define INT_LEAST32_MAX (2147483647)
#define INT_LEAST64_MAX (__INT64_C(9223372036854775807))
/* Maximum of unsigned integral types having a minimum size. */
#define UINT_LEAST8_MAX (255)
#define UINT_LEAST16_MAX (65535)
#define UINT_LEAST32_MAX (4294967295U)
#define UINT_LEAST64_MAX (__UINT64_C(18446744073709551615))
/* Minimum of fast signed integral types having a minimum size. */
#define INT_FAST8_MIN (-128)
#define INT_FAST16_MIN (-32768)
#define INT_FAST32_MIN (-2147483647-1)
#define INT_FAST64_MIN (-__INT64_C(9223372036854775807)-1)
/* Maximum of fast signed integral types having a minimum size. */
#define INT_FAST8_MAX (127)
#define INT_FAST16_MAX (32767)
#define INT_FAST32_MAX (2147483647)
#define INT_FAST64_MAX (__INT64_C(9223372036854775807))
/* Maximum of fast unsigned integral types having a minimum size. */
#define UINT_FAST8_MAX (255U)
#define UINT_FAST16_MAX (65535U)
#define UINT_FAST32_MAX (4294967295UL)
#define UINT_FAST64_MAX (__UINT64_C(18446744073709551615))
/* Values to test for integral types holding `void *' pointer. */
#define INTPTR_MIN (-32768)
#define INTPTR_MAX (32767)
#define UINTPTR_MAX (65535U)
/* Minimum for largest signed integral type. */
#define INTMAX_MIN (-__INT64_C(9223372036854775807)-1)
/* Maximum for largest signed integral type. */
#define INTMAX_MAX (__INT64_C(9223372036854775807))
/* Maximum for largest unsigned integral type. */
#define UINTMAX_MAX (__UINT64_C(18446744073709551615))
/* Limits of other integer types. */
/* Limits of `ptrdiff_t' type. */
#define PTRDIFF_MIN (-32768)
#define PTRDIFF_MAX (32767)
/* Limits of `sig_atomic_t'. */
#define SIG_ATOMIC_MIN (-32768)
#define SIG_ATOMIC_MAX (32767)
/* Limit of `size_t' type. */
#define SIZE_MAX (65535U)
/* Limits of `wchar_t'. */
#ifndef WCHAR_MIN
/* These constants might also be defined in <wchar.h>. */
#define WCHAR_MIN __WCHAR_MIN
#define WCHAR_MAX __WCHAR_MAX
#endif
/* Limits of `wint_t'. */
#define WINT_MIN (0U)
#define WINT_MAX (65535U)
#endif /* C++ && limit macros */
/* The ISO C99 standard specifies that in C++ implementations these
should only be defined if explicitly requested. */
#if !defined __cplusplus || defined __STDC_CONSTANT_MACROS
/* Signed. */
#define INT8_C(c) c
#define INT16_C(c) c
#define INT32_C(c) c
#define INT64_C(c) c ## LL
/* Unsigned. */
#define UINT8_C(c) c ## U
#define UINT16_C(c) c ## U
#define UINT32_C(c) c ## U
#define UINT64_C(c) c ## ULL
/* Maximal type. */
#define INTMAX_C(c) c ## LL
#define UINTMAX_C(c) c ## ULL
#endif /* C++ && constant macros */
#endif
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