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#define filename myfilename #define path ../driver/ #define STR(x) #x #define JOIN(x,y) STR(x##y) #define INC(x,y) JOIN(x,y) #include INC(path,filename) int main(void) { return !printf("YES"); }
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Line 0: error: pasting "/" and "myfilename" does not give a valid preprocessing token Line 27: error: ../driver/myfilename: No such file or directory