.
> touch foo.h > cpp -dM foo.hAThese macros (symbols) have a
__
Prefix and Suffix__
Do not use these macros directly; instead, include the appropriate headers and use the typedefs.
CHAR16_TYPE unsigned short CHAR32_TYPE unsigned int CHAR_BIT 8 INT8_C_SUFFIX INT8_FMTd "hhd" INT8_FMTi "hhi" INT8_MAX 127 INT8_TYPE signed char UINT8_C_SUFFIX UINT8_FMTX "hhX" UINT8_FMTo "hho" UINT8_FMTu "hhu" UINT8_FMTx "hhx" UINT8_MAX 255 UINT8_TYPE unsigned char INT_FAST8_FMTd "hhd" INT_FAST8_FMTi "hhi" INT_FAST8_MAX 127 INT_FAST8_TYPE signed char UINT_FAST8_FMTX "hhX" UINT_FAST8_FMTo "hho" UINT_FAST8_FMTu "hhu" UINT_FAST8_FMTx "hhx" UINT_FAST8_MAX 255 UINT_FAST8_TYPE unsigned char INT_LEAST8_FMTd "hhd" INT_LEAST8_FMTi "hhi" INT_LEAST8_MAX 127 INT_LEAST8_TYPE signed char UINT_LEAST8_FMTX "hhX" UINT_LEAST8_FMTo "hho" UINT_LEAST8_FMTu "hhu" UINT_LEAST8_FMTx "hhx" UINT_LEAST8_MAX 255 UINT_LEAST8_TYPE unsigned char INT16_C_SUFFIX INT16_FMTd "hd" INT16_FMTi "hi" INT16_MAX 32767 INT16_TYPE short UINT16_C_SUFFIX UINT16_FMTX "hX" UINT16_FMTo "ho" UINT16_FMTu "hu" UINT16_FMTx "hx" UINT16_MAX 65535 UINT16_TYPE unsigned short INT_FAST16_FMTd "hd" INT_FAST16_FMTi "hi" INT_FAST16_MAX 32767 INT_FAST16_TYPE short UINT_FAST16_FMTX "hX" UINT_FAST16_FMTo "ho" UINT_FAST16_FMTu "hu" UINT_FAST16_FMTx "hx" UINT_FAST16_MAX 65535 UINT_FAST16_TYPE unsigned short INT_LEAST16_FMTd "hd" INT_LEAST16_FMTi "hi" INT_LEAST16_MAX 32767 INT_LEAST16_TYPE short UINT_LEAST16_FMTX "hX" UINT_LEAST16_FMTo "ho" UINT_LEAST16_FMTu "hu" UINT_LEAST16_FMTx "hx" UINT_LEAST16_MAX 65535 UINT_LEAST16_TYPE unsigned short INT32_C_SUFFIX INT32_FMTd "d" INT32_FMTi "i" INT32_MAX 2147483647 INT_MAX 2147483647 INT32_TYPE int WCHAR_MAX 2147483647 WCHAR_TYPE int WCHAR_WIDTH 32 WINT_MAX 2147483647 WINT_TYPE int WINT_WIDTH 32 UINT32_C_SUFFIX U UINT32_FMTX "X" UINT32_FMTo "o" UINT32_FMTu "u" UINT32_FMTx "x" UINT32_MAX 4294967295U UINT32_TYPE unsigned int INT_FAST32_FMTd "d" INT_FAST32_FMTi "i" INT_FAST32_MAX 2147483647 INT_FAST32_TYPE int UINT_FAST32_FMTX "X" UINT_FAST32_FMTo "o" UINT_FAST32_FMTu "u" UINT_FAST32_FMTx "x" UINT_FAST32_MAX 4294967295U UINT_FAST32_TYPE unsigned int INT_LEAST32_FMTd "d" INT_LEAST32_FMTi "i" INT_LEAST32_MAX 2147483647 INT_LEAST32_TYPE int UINT_LEAST32_FMTX "X" UINT_LEAST32_FMTo "o" UINT_LEAST32_FMTu "u" UINT_LEAST32_FMTx "x" UINT_LEAST32_MAX 4294967295U UINT_LEAST32_TYPE unsigned int INT64_C_SUFFIX LL INT64_FMTd "lld" INT64_FMTi "lli" INT64_MAX 9223372036854775807LL INT64_TYPE long long int UINT64_C_SUFFIX ULL UINT64_FMTX "llX" UINT64_FMTo "llo" UINT64_FMTu "llu" UINT64_FMTx "llx" UINT64_MAX 18446744073709551615ULL UINT64_TYPE long long unsigned int INTMAX_C_SUFFIX L INTMAX_FMTd "ld" INTMAX_FMTi "li" INTMAX_MAX 9223372036854775807L INTMAX_TYPE long int INTMAX_WIDTH 64 UINTMAX_C_SUFFIX UL UINTMAX_FMTX "lX" UINTMAX_FMTo "lo" UINTMAX_FMTu "lu" UINTMAX_FMTx "lx" UINTMAX_MAX 18446744073709551615UL UINTMAX_TYPE long unsigned int UINTMAX_WIDTH 64 at LEAST 64 bits INT_LEAST64_FMTd "lld" INT_LEAST64_FMTi "lli" INT_LEAST64_MAX 9223372036854775807LL INT_LEAST64_TYPE long long int UINT_LEAST64_FMTX "llX" UINT_LEAST64_FMTo "llo" UINT_LEAST64_FMTu "llu" UINT_LEAST64_FMTx "llx" UINT_LEAST64_MAX 18446744073709551615ULL UINT_LEAST64_TYPE long long unsigned int INT_FAST64_FMTd "lld" INT_FAST64_FMTi "lli" INT_FAST64_MAX 9223372036854775807LL INT_FAST64_TYPE long long int UINT_FAST64_FMTX "llX" UINT_FAST64_FMTo "llo" UINT_FAST64_FMTu "llu" UINT_FAST64_FMTx "llx" UINT_FAST64_MAX 18446744073709551615ULL UINT_FAST64_TYPE long long unsigned int LONG_MAX 9223372036854775807L LONG_LONG_MAX 9223372036854775807LL | INTPTR_FMTd "ld" INTPTR_FMTi "li" INTPTR_MAX 9223372036854775807L INTPTR_TYPE long int INTPTR_WIDTH 64 UINTPTR_FMTX "lX" UINTPTR_FMTo "lo" UINTPTR_FMTu "lu" UINTPTR_FMTx "lx" UINTPTR_MAX 18446744073709551615UL UINTPTR_TYPE long unsigned int UINTPTR_WIDTH 64 PTRDIFF_FMTd "ld" PTRDIFF_FMTi "li" PTRDIFF_MAX 9223372036854775807L PTRDIFF_TYPE long int PTRDIFF_WIDTH 64 SIZE_FMTX "lX" SIZE_FMTo "lo" SIZE_FMTu "lu" SIZE_FMTx "lx" SIZE_MAX 18446744073709551615UL SIZE_TYPE long unsigned int SIZE_WIDTH 64 SIZEOF_SHORT 2 SIZEOF_INT 4 SIZEOF_INT128 16 SIZEOF_WCHAR_T 4 SIZEOF_WINT_T 4 SIZEOF_FLOAT 4 SIZEOF_DOUBLE 8 SIZEOF_LONG_LONG 8 SIZEOF_LONG 8 SIZEOF_LONG_DOUBL 16 SIZEOF_POINTER 8 SIZEOF_PTRDIFF_T 8 SIZEOF_SIZE_T 8 | DBL_DECIMAL_DIG 17 DBL_DIG 15 DBL_DENORM_MIN 4.9406564584124654e-324 DBL_EPSILON 2.2204460492503131e-16 DBL_MIN_10_EXP (-307) DBL_MIN_EXP (-1021) DBL_MIN 2.2250738585072014e-308 DBL_MANT_DIG 53 DBL_MAX_10_EXP 308 DBL_MAX_EXP 1024 DBL_MAX 1.7976931348623157e+308 DECIMAL_DIG LDBL_DECIMAL_DIG DBL_HAS_DENORM 1 DBL_HAS_INFINITY 1 DBL_HAS_QUIET_NAN 1 FLT16_DECIMAL_DIG 5 FLT16_DENORM_MIN 5.9604644775390625e-8F16 FLT16_DIG 3 FLT16_EPSILON 9.765625e-4F16 FLT16_MANT_DIG 11 FLT16_MIN_10_EXP (-4) FLT16_MIN_EXP (-13) FLT16_MIN 6.103515625e-5F16 FLT16_MAX 6.5504e+4F16 FLT16_MAX_10_EXP 4 FLT16_MAX_EXP 16 FLT16_HAS_DENORM 1 FLT16_HAS_INFINITY 1 FLT16_HAS_QUIET_NAN 1 FLT_DECIMAL_DIG 9 FLT_DIG 6 FLT_DENORM_MIN 1.40129846e-45F FLT_EPSILON 1.19209290e-7F FLT_MANT_DIG 24 FLT_MIN_10_EXP (-37) FLT_MIN_EXP (-125) FLT_MIN 1.17549435e-38F FLT_MAX 3.40282347e+38F FLT_MAX_10_EXP 38 FLT_MAX_EXP 128 FLT_RADIX 2 FLT_EVAL_METHOD 0 FLT_HAS_DENORM 1 FLT_HAS_INFINITY 1 FLT_HAS_QUIET_NAN 1 LDBL_DECIMAL_DIG 21 LDBL_DIG 18 LDBL_DENORM_MIN 3.64519953188247460253e-4951L LDBL_EPSILON 1.08420217248550443401e-19L LDBL_MANT_DIG 64 LDBL_MIN_10_EXP (-4931) LDBL_MIN_EXP (-16381) LDBL_MIN 3.36210314311209350626e-4932L LDBL_MAX_10_EXP 4932 LDBL_MAX_EXP 16384 LDBL_MAX 1.18973149535723176502e+4932L LDBL_HAS_DENORM 1 LDBL_HAS_INFINITY 1 LDBL_HAS_QUIET_NAN 1 |
These have only a prefix .
atomics ATOMIC_ACQUIRE 2 ATOMIC_ACQ_REL 4 ATOMIC_CONSUME 1 ATOMIC_RELAXED 0 ATOMIC_RELEASE 3 ATOMIC_SEQ_CST 5 SIG_ATOMIC_WIDTH 32 SIG_ATOMIC_MAX 2147483647 CLANG_ATOMIC_BOOL_LOCK_FREE 2 CLANG_ATOMIC_CHAR16_T_LOCK_FREE 2 CLANG_ATOMIC_CHAR32_T_LOCK_FREE 2 CLANG_ATOMIC_CHAR_LOCK_FREE 2 CLANG_ATOMIC_INT_LOCK_FREE 2 CLANG_ATOMIC_LLONG_LOCK_FREE 2 CLANG_ATOMIC_LONG_LOCK_FREE 2 CLANG_ATOMIC_POINTER_LOCK_FREE 2 CLANG_ATOMIC_SHORT_LOCK_FREE 2 CLANG_ATOMIC_WCHAR_T_LOCK_FREE 2 GCC_ATOMIC_BOOL_LOCK_FREE 2 GCC_ATOMIC_CHAR16_T_LOCK_FREE 2 GCC_ATOMIC_CHAR32_T_LOCK_FREE 2 GCC_ATOMIC_CHAR_LOCK_FREE 2 GCC_ATOMIC_INT_LOCK_FREE 2 GCC_ATOMIC_SHORT_LOCK_FREE 2 GCC_ATOMIC_LONG_LOCK_FREE 2 GCC_ATOMIC_LLONG_LOCK_FREE 2 GCC_ATOMIC_POINTER_LOCK_FREE 2 GCC_ATOMIC_TEST_AND_SET_TRUEVAL 1 GCC_ATOMIC_WCHAR_T_LOCK_FREE 2 GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 1 GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 1 GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 1 GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 1 GCC_HAVE_SYNC_COMPARE_AND_SWAP_16 1 | APPLE 1 APPLE_CC 6000 ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED 110100 BIGGEST_ALIGNMENT 16 BYTE_ORDER ORDER_LITTLE_ENDIAN LITTLE_ENDIAN 1 __DYNAMIC 1 FINITE_MATH_ONLY 0 FXSR 1 GCC_ASM_FLAG_OUTPUTS 1 GNUC_STDC_INLINE 1 GNUC 4 GXX_ABI_VERSION 1002 _LP64 1 LP64 1 MACH 1 MMX 1 NO_INLINE 1 NO_MATH_INLINES 1 OBJC_BOOL_IS_BOOL 0 OPENCL_MEMORY_SCOPE_DEVICE 2 OPENCL_MEMORY_SCOPE_SUB_GROUP 4 OPENCL_MEMORY_SCOPE_WORK_GROUP 1 OPENCL_MEMORY_SCOPE_WORK_ITEM 0 OPENCL_MEMORY_SCOPE_ALL_SVM_DEVICES 3 ORDER_BIG_ENDIAN 4321 ORDER_LITTLE_ENDIAN 1234 ORDER_PDP_ENDIAN 3412 PIC 2 POINTER_WIDTH 64 PRAGMA_REDEFINE_EXTNAME 1 REGISTER_PREFIX SEG_FS 1 SEG_GS 1 SCHAR_MAX 127 SHRT_MAX 32767 SSE 1 SSE_MATH 1 SSE2 1 SSE2_MATH 1 SSE3 1 SSSE3 1 SSP 1 stack-protector SSE4_1 1 STDC_HOSTED 1 STDC_NO_THREADS 1 STDC_UTF_16 1 STDC_UTF_32 1 BLOCKS 1 block attribute((blocks(byref))) CONSTANT_CFSTRINGS 1 USER_LABEL_PREFIX _ VERSION "Apple LLVM 12.0.0 (clang-1200.0.32.29)" apple_build_version 12000032 GNUC_MINOR 2 GNUC_PATCHLEVEL 1 STDC_VERSION 201112L clang 1 clang_major 12 clang_minor 0 clang_patchlevel 0 clang_version "12.0.0 (clang-1200.0.32.29)" amd64 1 amd64 1 x86_64 1 x86_64 1 code_model_small_ 1 tune_core2 1 core2 1 core2 1 llvm 1 nonnull _Nonnull null_unspecified _Null_unspecified nullable _Nullable pic 2 seg_fs attribute((address_space(257))) seg_gs attribute((address_space(256))) weak attribute((objc_gc(weak))) strong unsafe_unretained |
__COUNTER__ , __FILE__, __LINE__ (May have been set via #line linenum filename), __BASEFILE__, __FILE_NAME__, __INCLUDE_LEVEL, __TIMESTAMP__(example:"Sun Sep 16 01:03:52 1973")