739 lines
20 KiB
C
739 lines
20 KiB
C
/*
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* Copyright (c) 2011-2014, Wind River Systems, Inc.
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* Copyright (c) 2020, Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief Misc utilities
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*
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* Repetitive or obscure helper macros needed by sys/util.h.
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*/
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#ifndef ZEPHYR_INCLUDE_SYS_UTIL_INTERNAL_H_
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#define ZEPHYR_INCLUDE_SYS_UTIL_INTERNAL_H_
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/* IS_ENABLED() helpers */
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/* This is called from IS_ENABLED(), and sticks on a "_XXXX" prefix,
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* it will now be "_XXXX1" if config_macro is "1", or just "_XXXX" if it's
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* undefined.
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* ENABLED: Z_IS_ENABLED2(_XXXX1)
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* DISABLED Z_IS_ENABLED2(_XXXX)
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*/
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#define Z_IS_ENABLED1(config_macro) Z_IS_ENABLED2(_XXXX##config_macro)
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/* Here's the core trick, we map "_XXXX1" to "_YYYY," (i.e. a string
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* with a trailing comma), so it has the effect of making this a
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* two-argument tuple to the preprocessor only in the case where the
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* value is defined to "1"
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* ENABLED: _YYYY, <--- note comma!
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* DISABLED: _XXXX
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*/
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#define _XXXX1 _YYYY,
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/* Then we append an extra argument to fool the gcc preprocessor into
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* accepting it as a varargs macro.
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* arg1 arg2 arg3
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* ENABLED: Z_IS_ENABLED3(_YYYY, 1, 0)
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* DISABLED Z_IS_ENABLED3(_XXXX 1, 0)
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*/
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#define Z_IS_ENABLED2(one_or_two_args) Z_IS_ENABLED3(one_or_two_args true, false)
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/* And our second argument is thus now cooked to be 1 in the case
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* where the value is defined to 1, and 0 if not:
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*/
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#define Z_IS_ENABLED3(ignore_this, val, ...) val
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/* Used internally by COND_CODE_1 and COND_CODE_0. */
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#define Z_COND_CODE_1(_flag, _if_1_code, _else_code) \
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__COND_CODE(_XXXX##_flag, _if_1_code, _else_code)
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#define Z_COND_CODE_0(_flag, _if_0_code, _else_code) \
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__COND_CODE(_ZZZZ##_flag, _if_0_code, _else_code)
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#define _ZZZZ0 _YYYY,
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#define __COND_CODE(one_or_two_args, _if_code, _else_code) \
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__GET_ARG2_DEBRACKET(one_or_two_args _if_code, _else_code)
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/* Gets second argument and removes brackets around that argument. It
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* is expected that the parameter is provided in brackets/parentheses.
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*/
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#define __GET_ARG2_DEBRACKET(ignore_this, val, ...) __DEBRACKET val
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/* Used to remove brackets from around a single argument. */
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#define __DEBRACKET(...) __VA_ARGS__
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/* Used by IS_EMPTY() */
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#define Z_IS_EMPTY_(...) Z_IS_EMPTY__(__VA_ARGS__)
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#define Z_IS_EMPTY__(a, ...) Z_IS_EMPTY___(_ZZ##a##ZZ0, __VA_ARGS__)
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#define Z_IS_EMPTY___(...) Z_IS_EMPTY____(GET_ARGS_LESS_1(__VA_ARGS__))
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#define Z_IS_EMPTY____(...) GET_ARG2(__VA_ARGS__)
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/* Used by LIST_DROP_EMPTY() */
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/* Adding ',' after each element would add empty element at the end of
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* list, which is hard to remove, so instead precede each element with ',',
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* this way first element is empty, and this one is easy to drop.
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*/
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#define Z_LIST_ADD_ELEM(e) EMPTY, e
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#define Z_LIST_DROP_FIRST(...) GET_ARGS_LESS_1(__VA_ARGS__)
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#define Z_LIST_NO_EMPTIES(e) \
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COND_CODE_1(IS_EMPTY(e), (), (Z_LIST_ADD_ELEM(e)))
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/*
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* Macros for doing code-generation with the preprocessor as if we
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* could do recursive macro expansion.
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*
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* Generally it is better to generate code with the preprocessor than
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* to copy-paste code or to generate code with the build system /
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* python script's etc.
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*
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* http://stackoverflow.com/a/12540675
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*/
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#define UTIL_EMPTY(...)
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#define UTIL_DEFER(...) __VA_ARGS__ UTIL_EMPTY()
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#define UTIL_OBSTRUCT(...) __VA_ARGS__ UTIL_DEFER(UTIL_EMPTY)()
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#define UTIL_EXPAND(...) __VA_ARGS__
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#define UTIL_EVAL(...) UTIL_EVAL1(UTIL_EVAL1(UTIL_EVAL1(__VA_ARGS__)))
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#define UTIL_EVAL1(...) UTIL_EVAL2(UTIL_EVAL2(UTIL_EVAL2(__VA_ARGS__)))
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#define UTIL_EVAL2(...) UTIL_EVAL3(UTIL_EVAL3(UTIL_EVAL3(__VA_ARGS__)))
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#define UTIL_EVAL3(...) UTIL_EVAL4(UTIL_EVAL4(UTIL_EVAL4(__VA_ARGS__)))
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#define UTIL_EVAL4(...) UTIL_EVAL5(UTIL_EVAL5(UTIL_EVAL5(__VA_ARGS__)))
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#define UTIL_EVAL5(...) __VA_ARGS__
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#define UTIL_CAT(a, ...) UTIL_PRIMITIVE_CAT(a, __VA_ARGS__)
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#define UTIL_PRIMITIVE_CAT(a, ...) a##__VA_ARGS__
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/*
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* UTIL_INC(x) for an integer literal x from 0 to 255 expands to an
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* integer literal whose value is x+1.
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*
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* Similarly, UTIL_DEC(x) is (x-1) as an integer literal.
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*/
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#define UTIL_INC(x) UTIL_PRIMITIVE_CAT(UTIL_INC_, x)
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#define UTIL_DEC(x) UTIL_PRIMITIVE_CAT(UTIL_DEC_, x)
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#define UTIL_INC_0 1
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#define UTIL_INC_1 2
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#define UTIL_INC_2 3
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#define UTIL_INC_3 4
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#define UTIL_INC_4 5
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#define UTIL_INC_5 6
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#define UTIL_INC_6 7
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#define UTIL_INC_7 8
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#define UTIL_INC_8 9
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#define UTIL_INC_9 10
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#define UTIL_INC_10 11
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#define UTIL_INC_11 12
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#define UTIL_INC_12 13
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#define UTIL_INC_13 14
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#define UTIL_INC_14 15
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#define UTIL_INC_15 16
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#define UTIL_INC_16 17
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#define UTIL_INC_17 18
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#define UTIL_INC_18 19
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#define UTIL_INC_19 20
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#define UTIL_INC_20 21
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#define UTIL_INC_21 22
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#define UTIL_INC_22 23
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#define UTIL_INC_23 24
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#define UTIL_INC_24 25
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#define UTIL_INC_25 26
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#define UTIL_INC_26 27
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#define UTIL_INC_27 28
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#define UTIL_INC_28 29
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#define UTIL_INC_29 30
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#define UTIL_INC_30 31
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#define UTIL_INC_31 32
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#define UTIL_INC_32 33
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#define UTIL_INC_33 34
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#define UTIL_INC_34 35
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#define UTIL_INC_35 36
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#define UTIL_INC_36 37
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#define UTIL_INC_37 38
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#define UTIL_INC_38 39
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#define UTIL_INC_39 40
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#define UTIL_INC_40 41
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#define UTIL_INC_41 42
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#define UTIL_INC_42 43
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#define UTIL_INC_43 44
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#define UTIL_INC_44 45
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#define UTIL_INC_45 46
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#define UTIL_INC_46 47
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#define UTIL_INC_47 48
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#define UTIL_INC_48 49
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#define UTIL_INC_49 50
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#define UTIL_INC_50 51
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#define UTIL_INC_51 52
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#define UTIL_INC_52 53
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#define UTIL_INC_53 54
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#define UTIL_INC_54 55
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#define UTIL_INC_55 56
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#define UTIL_INC_56 57
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#define UTIL_INC_57 58
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#define UTIL_INC_58 59
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#define UTIL_INC_59 60
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#define UTIL_INC_50 51
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#define UTIL_INC_51 52
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#define UTIL_INC_52 53
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#define UTIL_INC_53 54
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#define UTIL_INC_54 55
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#define UTIL_INC_55 56
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#define UTIL_INC_56 57
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#define UTIL_INC_57 58
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#define UTIL_INC_58 59
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#define UTIL_INC_59 60
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#define UTIL_INC_60 61
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#define UTIL_INC_61 62
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#define UTIL_INC_62 63
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#define UTIL_INC_63 64
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#define UTIL_INC_64 65
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#define UTIL_INC_65 66
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#define UTIL_INC_66 67
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#define UTIL_INC_67 68
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#define UTIL_INC_68 69
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#define UTIL_INC_69 70
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#define UTIL_INC_70 71
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#define UTIL_INC_71 72
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#define UTIL_INC_72 73
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#define UTIL_INC_73 74
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#define UTIL_INC_74 75
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#define UTIL_INC_75 76
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#define UTIL_INC_76 77
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#define UTIL_INC_77 78
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#define UTIL_INC_78 79
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#define UTIL_INC_79 80
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#define UTIL_INC_80 81
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#define UTIL_INC_81 82
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#define UTIL_INC_82 83
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#define UTIL_INC_83 84
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#define UTIL_INC_84 85
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#define UTIL_INC_85 86
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#define UTIL_INC_86 87
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#define UTIL_INC_87 88
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#define UTIL_INC_88 89
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#define UTIL_INC_89 90
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#define UTIL_INC_90 91
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#define UTIL_INC_91 92
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#define UTIL_INC_92 93
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#define UTIL_INC_93 94
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#define UTIL_INC_94 95
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#define UTIL_INC_95 96
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#define UTIL_INC_96 97
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#define UTIL_INC_97 98
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#define UTIL_INC_98 99
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#define UTIL_INC_99 100
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#define UTIL_INC_100 101
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#define UTIL_INC_101 102
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#define UTIL_INC_102 103
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#define UTIL_INC_103 104
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#define UTIL_INC_104 105
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#define UTIL_INC_105 106
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#define UTIL_INC_106 107
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#define UTIL_INC_107 108
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#define UTIL_INC_108 109
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#define UTIL_INC_109 110
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#define UTIL_INC_110 111
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#define UTIL_INC_111 112
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#define UTIL_INC_112 113
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#define UTIL_INC_113 114
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#define UTIL_INC_114 115
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#define UTIL_INC_115 116
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#define UTIL_INC_116 117
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#define UTIL_INC_117 118
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#define UTIL_INC_118 119
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#define UTIL_INC_119 120
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#define UTIL_INC_120 121
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#define UTIL_INC_121 122
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#define UTIL_INC_122 123
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#define UTIL_INC_123 124
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#define UTIL_INC_124 125
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#define UTIL_INC_125 126
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#define UTIL_INC_126 127
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#define UTIL_INC_127 128
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#define UTIL_INC_128 129
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#define UTIL_INC_129 130
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#define UTIL_INC_130 131
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#define UTIL_INC_131 132
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#define UTIL_INC_132 133
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#define UTIL_INC_133 134
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#define UTIL_INC_134 135
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#define UTIL_INC_135 136
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#define UTIL_INC_136 137
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#define UTIL_INC_137 138
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#define UTIL_INC_138 139
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#define UTIL_INC_139 140
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#define UTIL_INC_140 141
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#define UTIL_INC_141 142
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#define UTIL_INC_142 143
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#define UTIL_INC_143 144
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#define UTIL_INC_144 145
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#define UTIL_INC_145 146
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#define UTIL_INC_146 147
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#define UTIL_INC_147 148
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#define UTIL_INC_148 149
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#define UTIL_INC_149 150
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#define UTIL_INC_150 151
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#define UTIL_INC_151 152
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#define UTIL_INC_152 153
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#define UTIL_INC_153 154
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#define UTIL_INC_154 155
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#define UTIL_INC_155 156
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#define UTIL_INC_156 157
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#define UTIL_INC_157 158
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#define UTIL_INC_158 159
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#define UTIL_INC_159 160
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#define UTIL_INC_160 161
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#define UTIL_INC_161 162
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#define UTIL_INC_162 163
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#define UTIL_INC_163 164
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#define UTIL_INC_164 165
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#define UTIL_INC_165 166
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#define UTIL_INC_166 167
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#define UTIL_INC_167 168
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#define UTIL_INC_168 169
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#define UTIL_INC_169 170
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#define UTIL_INC_170 171
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#define UTIL_INC_171 172
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#define UTIL_INC_172 173
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#define UTIL_INC_173 174
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#define UTIL_INC_174 175
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#define UTIL_INC_175 176
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#define UTIL_INC_176 177
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#define UTIL_INC_177 178
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#define UTIL_INC_178 179
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#define UTIL_INC_179 180
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#define UTIL_INC_180 181
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#define UTIL_INC_181 182
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#define UTIL_INC_182 183
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#define UTIL_INC_183 184
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#define UTIL_INC_184 185
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#define UTIL_INC_185 186
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#define UTIL_INC_186 187
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#define UTIL_INC_187 188
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#define UTIL_INC_188 189
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#define UTIL_INC_189 190
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#define UTIL_INC_190 191
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#define UTIL_INC_191 192
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#define UTIL_INC_192 193
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#define UTIL_INC_193 194
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#define UTIL_INC_194 195
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#define UTIL_INC_195 196
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#define UTIL_INC_196 197
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#define UTIL_INC_197 198
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#define UTIL_INC_198 199
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#define UTIL_INC_199 200
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#define UTIL_INC_200 201
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#define UTIL_INC_201 202
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#define UTIL_INC_202 203
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#define UTIL_INC_203 204
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#define UTIL_INC_204 205
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#define UTIL_INC_205 206
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#define UTIL_INC_206 207
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#define UTIL_INC_207 208
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#define UTIL_INC_208 209
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#define UTIL_INC_209 210
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#define UTIL_INC_210 211
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#define UTIL_INC_211 212
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#define UTIL_INC_212 213
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#define UTIL_INC_213 214
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#define UTIL_INC_214 215
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#define UTIL_INC_215 216
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#define UTIL_INC_216 217
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#define UTIL_INC_217 218
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#define UTIL_INC_218 219
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#define UTIL_INC_219 220
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#define UTIL_INC_220 221
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#define UTIL_INC_221 222
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#define UTIL_INC_222 223
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#define UTIL_INC_223 224
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#define UTIL_INC_224 225
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#define UTIL_INC_225 226
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#define UTIL_INC_226 227
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#define UTIL_INC_227 228
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#define UTIL_INC_228 229
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#define UTIL_INC_229 230
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#define UTIL_INC_230 231
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#define UTIL_INC_231 232
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#define UTIL_INC_232 233
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#define UTIL_INC_233 234
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#define UTIL_INC_234 235
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#define UTIL_INC_235 236
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#define UTIL_INC_236 237
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#define UTIL_INC_237 238
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#define UTIL_INC_238 239
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#define UTIL_INC_239 240
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#define UTIL_INC_240 241
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#define UTIL_INC_241 242
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#define UTIL_INC_242 243
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#define UTIL_INC_243 244
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#define UTIL_INC_244 245
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#define UTIL_INC_245 246
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#define UTIL_INC_246 247
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#define UTIL_INC_247 248
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#define UTIL_INC_248 249
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#define UTIL_INC_249 250
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#define UTIL_INC_250 251
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#define UTIL_INC_251 252
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#define UTIL_INC_252 253
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#define UTIL_INC_253 254
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#define UTIL_INC_254 255
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#define UTIL_INC_255 256
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#define UTIL_INC_256 257
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#define UTIL_DEC_0 0
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#define UTIL_DEC_1 0
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#define UTIL_DEC_2 1
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#define UTIL_DEC_3 2
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#define UTIL_DEC_4 3
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#define UTIL_DEC_5 4
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#define UTIL_DEC_6 5
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#define UTIL_DEC_7 6
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#define UTIL_DEC_8 7
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#define UTIL_DEC_9 8
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#define UTIL_DEC_10 9
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#define UTIL_DEC_11 10
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#define UTIL_DEC_12 11
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#define UTIL_DEC_13 12
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#define UTIL_DEC_14 13
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#define UTIL_DEC_15 14
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#define UTIL_DEC_16 15
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#define UTIL_DEC_17 16
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#define UTIL_DEC_18 17
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#define UTIL_DEC_19 18
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#define UTIL_DEC_20 19
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#define UTIL_DEC_21 20
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#define UTIL_DEC_22 21
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#define UTIL_DEC_23 22
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#define UTIL_DEC_24 23
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#define UTIL_DEC_25 24
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#define UTIL_DEC_26 25
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#define UTIL_DEC_27 26
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#define UTIL_DEC_28 27
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#define UTIL_DEC_29 28
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#define UTIL_DEC_30 29
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#define UTIL_DEC_31 30
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#define UTIL_DEC_32 31
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#define UTIL_DEC_33 32
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#define UTIL_DEC_34 33
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#define UTIL_DEC_35 34
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#define UTIL_DEC_36 35
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#define UTIL_DEC_37 36
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#define UTIL_DEC_38 37
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#define UTIL_DEC_39 38
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#define UTIL_DEC_40 39
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#define UTIL_DEC_41 40
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#define UTIL_DEC_42 41
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#define UTIL_DEC_43 42
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#define UTIL_DEC_44 43
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#define UTIL_DEC_45 44
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#define UTIL_DEC_46 45
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#define UTIL_DEC_47 46
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#define UTIL_DEC_48 47
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#define UTIL_DEC_49 48
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#define UTIL_DEC_50 49
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#define UTIL_DEC_51 50
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#define UTIL_DEC_52 51
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#define UTIL_DEC_53 52
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#define UTIL_DEC_54 53
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#define UTIL_DEC_55 54
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#define UTIL_DEC_56 55
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#define UTIL_DEC_57 56
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#define UTIL_DEC_58 57
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#define UTIL_DEC_59 58
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#define UTIL_DEC_60 59
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#define UTIL_DEC_61 60
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#define UTIL_DEC_62 61
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#define UTIL_DEC_63 62
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#define UTIL_DEC_64 63
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#define UTIL_DEC_65 64
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#define UTIL_DEC_66 65
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#define UTIL_DEC_67 66
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#define UTIL_DEC_68 67
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#define UTIL_DEC_69 68
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#define UTIL_DEC_70 69
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#define UTIL_DEC_71 70
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#define UTIL_DEC_72 71
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#define UTIL_DEC_73 72
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#define UTIL_DEC_74 73
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#define UTIL_DEC_75 74
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#define UTIL_DEC_76 75
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#define UTIL_DEC_77 76
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#define UTIL_DEC_78 77
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#define UTIL_DEC_79 78
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#define UTIL_DEC_80 79
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#define UTIL_DEC_81 80
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#define UTIL_DEC_82 81
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#define UTIL_DEC_83 82
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#define UTIL_DEC_84 83
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#define UTIL_DEC_85 84
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#define UTIL_DEC_86 85
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#define UTIL_DEC_87 86
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#define UTIL_DEC_88 87
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#define UTIL_DEC_89 88
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#define UTIL_DEC_90 89
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#define UTIL_DEC_91 90
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#define UTIL_DEC_92 91
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#define UTIL_DEC_93 92
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#define UTIL_DEC_94 93
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#define UTIL_DEC_95 94
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#define UTIL_DEC_96 95
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#define UTIL_DEC_97 96
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#define UTIL_DEC_98 97
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#define UTIL_DEC_99 98
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#define UTIL_DEC_100 99
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#define UTIL_DEC_101 100
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#define UTIL_DEC_102 101
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#define UTIL_DEC_103 102
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#define UTIL_DEC_104 103
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#define UTIL_DEC_105 104
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#define UTIL_DEC_106 105
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#define UTIL_DEC_107 106
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#define UTIL_DEC_108 107
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#define UTIL_DEC_109 108
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#define UTIL_DEC_110 109
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#define UTIL_DEC_111 110
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#define UTIL_DEC_112 111
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#define UTIL_DEC_113 112
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#define UTIL_DEC_114 113
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#define UTIL_DEC_115 114
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#define UTIL_DEC_116 115
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#define UTIL_DEC_117 116
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#define UTIL_DEC_118 117
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#define UTIL_DEC_119 118
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#define UTIL_DEC_120 119
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#define UTIL_DEC_121 120
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#define UTIL_DEC_122 121
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#define UTIL_DEC_123 122
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#define UTIL_DEC_124 123
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#define UTIL_DEC_125 124
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#define UTIL_DEC_126 125
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#define UTIL_DEC_127 126
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#define UTIL_DEC_128 127
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#define UTIL_DEC_129 128
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#define UTIL_DEC_130 129
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#define UTIL_DEC_131 130
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#define UTIL_DEC_132 131
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#define UTIL_DEC_133 132
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#define UTIL_DEC_134 133
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#define UTIL_DEC_135 134
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#define UTIL_DEC_136 135
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#define UTIL_DEC_137 136
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#define UTIL_DEC_138 137
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#define UTIL_DEC_139 138
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#define UTIL_DEC_140 139
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#define UTIL_DEC_141 140
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#define UTIL_DEC_142 141
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#define UTIL_DEC_143 142
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#define UTIL_DEC_144 143
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#define UTIL_DEC_145 144
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#define UTIL_DEC_146 145
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#define UTIL_DEC_147 146
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#define UTIL_DEC_148 147
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#define UTIL_DEC_149 148
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#define UTIL_DEC_150 149
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#define UTIL_DEC_151 150
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#define UTIL_DEC_152 151
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#define UTIL_DEC_153 152
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#define UTIL_DEC_154 153
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#define UTIL_DEC_155 154
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#define UTIL_DEC_156 155
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#define UTIL_DEC_157 156
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#define UTIL_DEC_158 157
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#define UTIL_DEC_159 158
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#define UTIL_DEC_160 159
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#define UTIL_DEC_161 160
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#define UTIL_DEC_162 161
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#define UTIL_DEC_163 162
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#define UTIL_DEC_164 163
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#define UTIL_DEC_165 164
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#define UTIL_DEC_166 165
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#define UTIL_DEC_167 166
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#define UTIL_DEC_168 167
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#define UTIL_DEC_169 168
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#define UTIL_DEC_170 169
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#define UTIL_DEC_171 170
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#define UTIL_DEC_172 171
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#define UTIL_DEC_173 172
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#define UTIL_DEC_174 173
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#define UTIL_DEC_175 174
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#define UTIL_DEC_176 175
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#define UTIL_DEC_177 176
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#define UTIL_DEC_178 177
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#define UTIL_DEC_179 178
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#define UTIL_DEC_180 179
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#define UTIL_DEC_181 180
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#define UTIL_DEC_182 181
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#define UTIL_DEC_183 182
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|
#define UTIL_DEC_184 183
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|
#define UTIL_DEC_185 184
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|
#define UTIL_DEC_186 185
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|
#define UTIL_DEC_187 186
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#define UTIL_DEC_188 187
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#define UTIL_DEC_189 188
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#define UTIL_DEC_190 189
|
|
#define UTIL_DEC_191 190
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|
#define UTIL_DEC_192 191
|
|
#define UTIL_DEC_193 192
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|
#define UTIL_DEC_194 193
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|
#define UTIL_DEC_195 194
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|
#define UTIL_DEC_196 195
|
|
#define UTIL_DEC_197 196
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|
#define UTIL_DEC_198 197
|
|
#define UTIL_DEC_199 198
|
|
#define UTIL_DEC_200 199
|
|
#define UTIL_DEC_201 200
|
|
#define UTIL_DEC_202 201
|
|
#define UTIL_DEC_203 202
|
|
#define UTIL_DEC_204 203
|
|
#define UTIL_DEC_205 204
|
|
#define UTIL_DEC_206 205
|
|
#define UTIL_DEC_207 206
|
|
#define UTIL_DEC_208 207
|
|
#define UTIL_DEC_209 208
|
|
#define UTIL_DEC_210 209
|
|
#define UTIL_DEC_211 210
|
|
#define UTIL_DEC_212 211
|
|
#define UTIL_DEC_213 212
|
|
#define UTIL_DEC_214 213
|
|
#define UTIL_DEC_215 214
|
|
#define UTIL_DEC_216 215
|
|
#define UTIL_DEC_217 216
|
|
#define UTIL_DEC_218 217
|
|
#define UTIL_DEC_219 218
|
|
#define UTIL_DEC_220 219
|
|
#define UTIL_DEC_221 220
|
|
#define UTIL_DEC_222 221
|
|
#define UTIL_DEC_223 222
|
|
#define UTIL_DEC_224 223
|
|
#define UTIL_DEC_225 224
|
|
#define UTIL_DEC_226 225
|
|
#define UTIL_DEC_227 226
|
|
#define UTIL_DEC_228 227
|
|
#define UTIL_DEC_229 228
|
|
#define UTIL_DEC_230 229
|
|
#define UTIL_DEC_231 230
|
|
#define UTIL_DEC_232 231
|
|
#define UTIL_DEC_233 232
|
|
#define UTIL_DEC_234 233
|
|
#define UTIL_DEC_235 234
|
|
#define UTIL_DEC_236 235
|
|
#define UTIL_DEC_237 236
|
|
#define UTIL_DEC_238 237
|
|
#define UTIL_DEC_239 238
|
|
#define UTIL_DEC_240 239
|
|
#define UTIL_DEC_241 240
|
|
#define UTIL_DEC_242 241
|
|
#define UTIL_DEC_243 242
|
|
#define UTIL_DEC_244 243
|
|
#define UTIL_DEC_245 244
|
|
#define UTIL_DEC_246 245
|
|
#define UTIL_DEC_247 246
|
|
#define UTIL_DEC_248 247
|
|
#define UTIL_DEC_249 248
|
|
#define UTIL_DEC_250 249
|
|
#define UTIL_DEC_251 250
|
|
#define UTIL_DEC_252 251
|
|
#define UTIL_DEC_253 252
|
|
#define UTIL_DEC_254 253
|
|
#define UTIL_DEC_255 254
|
|
#define UTIL_DEC_256 255
|
|
|
|
#define UTIL_CHECK_N(x, n, ...) n
|
|
#define UTIL_CHECK(...) UTIL_CHECK_N(__VA_ARGS__, 0,)
|
|
#define UTIL_NOT(x) UTIL_CHECK(UTIL_PRIMITIVE_CAT(UTIL_NOT_, x))
|
|
#define UTIL_NOT_0 ~, 1,
|
|
#define UTIL_COMPL(b) UTIL_PRIMITIVE_CAT(UTIL_COMPL_, b)
|
|
#define UTIL_COMPL_0 1
|
|
#define UTIL_COMPL_1 0
|
|
#define UTIL_BOOL(x) UTIL_COMPL(UTIL_NOT(x))
|
|
#define UTIL_IIF(c) UTIL_PRIMITIVE_CAT(UTIL_IIF_, c)
|
|
#define UTIL_IIF_0(t, ...) __VA_ARGS__
|
|
#define UTIL_IIF_1(t, ...) t
|
|
#define UTIL_IF(c) UTIL_IIF(UTIL_BOOL(c))
|
|
|
|
#define UTIL_EAT(...)
|
|
#define UTIL_WHEN(c) UTIL_IF(c)(UTIL_EXPAND, UTIL_EAT)
|
|
|
|
#define UTIL_REPEAT(count, macro, ...) \
|
|
UTIL_WHEN(count) \
|
|
( \
|
|
UTIL_OBSTRUCT(UTIL_REPEAT_INDIRECT) () \
|
|
( \
|
|
UTIL_DEC(count), macro, __VA_ARGS__ \
|
|
) \
|
|
UTIL_OBSTRUCT(macro) \
|
|
( \
|
|
UTIL_DEC(count), __VA_ARGS__ \
|
|
) \
|
|
)
|
|
#define UTIL_REPEAT_INDIRECT() UTIL_REPEAT
|
|
|
|
/* Internal macros used by FOR_EACH, FOR_EACH_IDX, etc. */
|
|
|
|
#define Z_FOR_EACH_IDX(count, n, macro, sep, fixed_arg0, fixed_arg1, ...)\
|
|
UTIL_WHEN(count) \
|
|
( \
|
|
UTIL_OBSTRUCT(macro) \
|
|
( \
|
|
fixed_arg0, fixed_arg1, n, GET_ARG1(__VA_ARGS__)\
|
|
) COND_CODE_1(count, (), (__DEBRACKET sep)) \
|
|
UTIL_OBSTRUCT(Z_FOR_EACH_IDX_INDIRECT) () \
|
|
( \
|
|
UTIL_DEC(count), UTIL_INC(n), macro, sep, \
|
|
fixed_arg0, fixed_arg1, \
|
|
GET_ARGS_LESS_1(__VA_ARGS__) \
|
|
) \
|
|
)
|
|
|
|
#define Z_FOR_EACH_IDX_INDIRECT() Z_FOR_EACH_IDX
|
|
|
|
#define Z_FOR_EACH_IDX2(count, iter, macro, sc, fixed_arg0, fixed_arg1, ...) \
|
|
UTIL_EVAL(Z_FOR_EACH_IDX(count, iter, macro, sc,\
|
|
fixed_arg0, fixed_arg1, __VA_ARGS__))
|
|
|
|
#define Z_FOR_EACH_SWALLOW_NOTHING(F, fixed_arg, index, arg) \
|
|
F(index, arg, fixed_arg)
|
|
|
|
#define Z_FOR_EACH_SWALLOW_FIXED_ARG(F, fixed_arg, index, arg) F(index, arg)
|
|
|
|
#define Z_FOR_EACH_SWALLOW_INDEX_FIXED_ARG(F, fixed_arg, index, arg) F(arg)
|
|
#define Z_FOR_EACH_SWALLOW_INDEX(F, fixed_arg, index, arg) F(arg, fixed_arg)
|
|
|
|
/* Implementation details for NUM_VA_ARGS_LESS_1 */
|
|
#define NUM_VA_ARGS_LESS_1_IMPL( \
|
|
_ignored, \
|
|
_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, \
|
|
_11, _12, _13, _14, _15, _16, _17, _18, _19, _20, \
|
|
_21, _22, _23, _24, _25, _26, _27, _28, _29, _30, \
|
|
_31, _32, _33, _34, _35, _36, _37, _38, _39, _40, \
|
|
_41, _42, _43, _44, _45, _46, _47, _48, _49, _50, \
|
|
_51, _52, _53, _54, _55, _56, _57, _58, _59, _60, \
|
|
_61, _62, N, ...) N
|
|
|
|
/* Used by MACRO_MAP_CAT */
|
|
#define MACRO_MAP_CAT_(...) \
|
|
/* To make sure it works also for 2 arguments in total */ \
|
|
MACRO_MAP_CAT_N(NUM_VA_ARGS_LESS_1(__VA_ARGS__), __VA_ARGS__)
|
|
#define MACRO_MAP_CAT_N_(N, ...) UTIL_CAT(MACRO_MC_, N)(__VA_ARGS__,)
|
|
#define MACRO_MC_0(...)
|
|
#define MACRO_MC_1(m, a, ...) m(a)
|
|
#define MACRO_MC_2(m, a, ...) UTIL_CAT(m(a), MACRO_MC_1(m, __VA_ARGS__,))
|
|
#define MACRO_MC_3(m, a, ...) UTIL_CAT(m(a), MACRO_MC_2(m, __VA_ARGS__,))
|
|
#define MACRO_MC_4(m, a, ...) UTIL_CAT(m(a), MACRO_MC_3(m, __VA_ARGS__,))
|
|
#define MACRO_MC_5(m, a, ...) UTIL_CAT(m(a), MACRO_MC_4(m, __VA_ARGS__,))
|
|
#define MACRO_MC_6(m, a, ...) UTIL_CAT(m(a), MACRO_MC_5(m, __VA_ARGS__,))
|
|
#define MACRO_MC_7(m, a, ...) UTIL_CAT(m(a), MACRO_MC_6(m, __VA_ARGS__,))
|
|
#define MACRO_MC_8(m, a, ...) UTIL_CAT(m(a), MACRO_MC_7(m, __VA_ARGS__,))
|
|
#define MACRO_MC_9(m, a, ...) UTIL_CAT(m(a), MACRO_MC_8(m, __VA_ARGS__,))
|
|
#define MACRO_MC_10(m, a, ...) UTIL_CAT(m(a), MACRO_MC_9(m, __VA_ARGS__,))
|
|
#define MACRO_MC_11(m, a, ...) UTIL_CAT(m(a), MACRO_MC_10(m, __VA_ARGS__,))
|
|
#define MACRO_MC_12(m, a, ...) UTIL_CAT(m(a), MACRO_MC_11(m, __VA_ARGS__,))
|
|
#define MACRO_MC_13(m, a, ...) UTIL_CAT(m(a), MACRO_MC_12(m, __VA_ARGS__,))
|
|
#define MACRO_MC_14(m, a, ...) UTIL_CAT(m(a), MACRO_MC_13(m, __VA_ARGS__,))
|
|
#define MACRO_MC_15(m, a, ...) UTIL_CAT(m(a), MACRO_MC_14(m, __VA_ARGS__,))
|
|
|
|
#endif /* ZEPHYR_INCLUDE_SYS_UTIL_INTERNAL_H_ */
|