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#ifndef _ARGS_H_ #define _ARGS_H_
#include <stdarg.h>
#define EXPAND(...) __VA_ARGS__
#define EVAL2(...) EXPAND(__VA_ARGS__) #define EVAL1(...) EVAL2(EVAL2(EVAL2(__VA_ARGS__)))
#define EVAL(...) EVAL1(EVAL1(EVAL1(__VA_ARGS__)))
#define _CAT6(A, B, C, D, E, F) A ## B ## C ## D ## E ## F #define _CAT5(A, B, C, D, E) A ## B ## C ## D ## E #define _CAT4(A, B, C, D) A ## B ## C ## D #define _CAT3(A, B, C) A ## B ## C #define _CAT2(A, B) A ## B #define CAT6(A, B, C, D, E, F) _CAT6(A, B, C, D, E, F) #define CAT5(A, B, C, D, E) _CAT5(A, B, C, D, E) #define CAT4(A, B, C, D) _CAT4(A, B, C, D) #define CAT3(A, B, C) _CAT3(A, B, C) #define CAT2(A, B) _CAT2(A, B) #define CATn(_n, ...) CAT2(_CAT,_n)(__VA_ARGS__)
#define COUNTS(_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, _63, _64, _, ...) _ #define PARAMS_CNT(_params...) \ COUNTS(_params, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, \ 48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, \ 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1)
#define ARGS_CNT(_args...) \ COUNTS(, ##_args, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, \ 48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, \ 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
#define CAT(...) CATn(ARGS_CNT(__VA_ARGS__), __VA_ARGS__) #define MACRO_CAT(_macro, ...) CAT2(_macro, ARGS_CNT(__VA_ARGS__))(__VA_ARGS__)
#define STR(_token) #_token
#if defined(WIN32)
#define CHAR(_token) #@x #else
#define CHAR(_token) *#_token #endif
#define CHARn(_token, n) #_token[n]
#endif
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