/* 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 # if __WORDSIZE == 64 # define __INT64_C(c) c ## L # define __UINT64_C(c) c ## UL # else # define __INT64_C(c) c ## LL # define __UINT64_C(c) c ## ULL # endif /* 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) # if __WORDSIZE == 64 # define INT_FAST16_MIN (-9223372036854775807L-1) # define INT_FAST32_MIN (-9223372036854775807L-1) # else # define INT_FAST16_MIN (-2147483647-1) # define INT_FAST32_MIN (-2147483647-1) # endif # define INT_FAST64_MIN (-__INT64_C(9223372036854775807)-1) /* Maximum of fast signed integral types having a minimum size. */ # define INT_FAST8_MAX (127) # if __WORDSIZE == 64 # define INT_FAST16_MAX (9223372036854775807L) # define INT_FAST32_MAX (9223372036854775807L) # else # define INT_FAST16_MAX (2147483647) # define INT_FAST32_MAX (2147483647) # endif # define INT_FAST64_MAX (__INT64_C(9223372036854775807)) /* Maximum of fast unsigned integral types having a minimum size. */ # define UINT_FAST8_MAX (255) # if __WORDSIZE == 64 # define UINT_FAST16_MAX (18446744073709551615UL) # define UINT_FAST32_MAX (18446744073709551615UL) # else # define UINT_FAST16_MAX (4294967295U) # define UINT_FAST32_MAX (4294967295U) # endif # define UINT_FAST64_MAX (__UINT64_C(18446744073709551615)) /* Values to test for integral types holding `void *' pointer. */ # if __WORDSIZE == 64 # define INTPTR_MIN (-9223372036854775807L-1) # define INTPTR_MAX (9223372036854775807L) # define UINTPTR_MAX (18446744073709551615UL) # else # define INTPTR_MIN (-2147483647-1) # define INTPTR_MAX (2147483647) # define UINTPTR_MAX (4294967295U) # endif /* 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. */ # if __WORDSIZE == 64 # define PTRDIFF_MIN (-9223372036854775807L-1) # define PTRDIFF_MAX (9223372036854775807L) # else # define PTRDIFF_MIN (-2147483647-1) # define PTRDIFF_MAX (2147483647) # endif /* Limits of `sig_atomic_t'. */ # define SIG_ATOMIC_MIN (-2147483647-1) # define SIG_ATOMIC_MAX (2147483647) /* Limit of `size_t' type. */ # if __WORDSIZE == 64 # define SIZE_MAX (18446744073709551615UL) # else # define SIZE_MAX (4294967295U) # endif /* 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 (4294967295u) #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 # if __WORDSIZE == 64 # define INT64_C(c) c ## L # else # define INT64_C(c) c ## LL # endif /* Unsigned. */ # define UINT8_C(c) c ## U # define UINT16_C (c) c ## U # define UINT32_C(c) c ## U # if __WORDSIZE == 64 # define UINT64_C(c) c ## UL # else # define UINT64_C(c) c ## ULL # endif /* Maximal type. */ # if __WORDSIZE == 64 # define INTMAX_C(c) c ## L # define UINTMAX_C(c) c ## UL # else # define INTMAX_C(c) c ## LL # define UINTMAX_C(c) c ## ULL # endif #endif /* C++ && constant macros */ #endif /* stdint.h */
stdint.h file int8_t uint8_t int16_t uint16_t (two)
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