$ echo | avr-gcc -x c - -E -dM | sort | egrep '_TYPE_|SIZE|MIN__|MAX__' |egrep -v '__(L*DBL|DEC|FLT)' #define __CHAR16_TYPE__ short unsigned int #define __CHAR32_TYPE__ long unsigned int #define __INT16_MAX__ 32767 #define __INT16_TYPE__ short int #define __INT24_MAX__ 8388607L #define __INT24_MIN__ (-__INT24_MAX__-1) #define __INT32_MAX__ 2147483647L #define __INT32_TYPE__ long int #define __INT64_MAX__ 9223372036854775807LL #define __INT64_TYPE__ long long int #define __INT8_MAX__ 127 #define __INT8_TYPE__ signed char #define __INT_FAST16_MAX__ 32767 #define __INT_FAST16_TYPE__ int #define __INT_FAST32_MAX__ 2147483647L #define __INT_FAST32_TYPE__ long int #define __INT_FAST64_MAX__ 9223372036854775807LL #define __INT_FAST64_TYPE__ long long int #define __INT_FAST8_MAX__ 127 #define __INT_FAST8_TYPE__ signed char #define __INT_LEAST16_MAX__ 32767 #define __INT_LEAST16_TYPE__ short int #define __INT_LEAST32_MAX__ 2147483647L #define __INT_LEAST32_TYPE__ long int #define __INT_LEAST64_MAX__ 9223372036854775807LL #define __INT_LEAST64_TYPE__ long long int #define __INT_LEAST8_MAX__ 127 #define __INT_LEAST8_TYPE__ signed char #define __INT_MAX__ 32767 #define __INTMAX_MAX__ 9223372036854775807LL #define __INTMAX_TYPE__ long long int #define __INTPTR_MAX__ 32767 #define __INTPTR_TYPE__ int #define __LONG_LONG_MAX__ 9223372036854775807LL #define __LONG_MAX__ 2147483647L #define __PTRDIFF_MAX__ 32767 #define __PTRDIFF_TYPE__ int #define __SCHAR_MAX__ 127 #define __SHRT_MAX__ 32767 #define __SIG_ATOMIC_MAX__ 127 #define __SIG_ATOMIC_MIN__ (-__SIG_ATOMIC_MAX__ - 1) #define __SIG_ATOMIC_TYPE__ char #define __SIZE_MAX__ 65535U #define __SIZEOF_DOUBLE__ 4 #define __SIZEOF_FLOAT__ 4 #define __SIZEOF_INT__ 2 #define __SIZEOF_LONG__ 4 #define __SIZEOF_LONG_DOUBLE__ 4 #define __SIZEOF_LONG_LONG__ 8 #define __SIZEOF_POINTER__ 2 #define __SIZEOF_PTRDIFF_T__ 2 #define __SIZEOF_SHORT__ 2 #define __SIZEOF_SIZE_T__ 2 #define __SIZEOF_WCHAR_T__ 2 #define __SIZEOF_WINT_T__ 2 #define __SIZE_TYPE__ unsigned int #define __UINT16_MAX__ 65535U #define __UINT16_TYPE__ short unsigned int #define __UINT24_MAX__ 16777215UL #define __UINT32_MAX__ 4294967295UL #define __UINT32_TYPE__ long unsigned int #define __UINT64_MAX__ 18446744073709551615ULL #define __UINT64_TYPE__ long long unsigned int #define __UINT8_MAX__ 255 #define __UINT8_TYPE__ unsigned char #define __UINT_FAST16_MAX__ 65535U #define __UINT_FAST16_TYPE__ unsigned int #define __UINT_FAST32_MAX__ 4294967295UL #define __UINT_FAST32_TYPE__ long unsigned int #define __UINT_FAST64_MAX__ 18446744073709551615ULL #define __UINT_FAST64_TYPE__ long long unsigned int #define __UINT_FAST8_MAX__ 255 #define __UINT_FAST8_TYPE__ unsigned char #define __UINT_LEAST16_MAX__ 65535U #define __UINT_LEAST16_TYPE__ short unsigned int #define __UINT_LEAST32_MAX__ 4294967295UL #define __UINT_LEAST32_TYPE__ long unsigned int #define __UINT_LEAST64_MAX__ 18446744073709551615ULL #define __UINT_LEAST64_TYPE__ long long unsigned int #define __UINT_LEAST8_MAX__ 255 #define __UINT_LEAST8_TYPE__ unsigned char #define __UINTMAX_MAX__ 18446744073709551615ULL #define __UINTMAX_TYPE__ long long unsigned int #define __UINTPTR_MAX__ 65535U #define __UINTPTR_TYPE__ unsigned int #define __WCHAR_MAX__ 32767 #define __WCHAR_MIN__ (-__WCHAR_MAX__ - 1) #define __WCHAR_TYPE__ int #define __WINT_MAX__ 65535U #define __WINT_MIN__ 0U #define __WINT_TYPE__ unsigned int