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#ifndef _NT_STDBOOL_H_ #define _NT_STDBOOL_H_ /* * stdbool.h exists in GCC, but not in MSVC. */ #ifdef __GNUC__ # include_next <stdbool.h> #else # define _Bool signed char # define bool _Bool # define false 0 # define true 1 #endif #endif /* _NT_STDBOOL_H_ */