1 #ifndef SYSTEM_HEADER_H 2 #define SYSTEM_HEADER_H 3 4 #define SYSTEM_MACRO(m) int m = 0 5 6 namespace SYSTEM_NS { 7 class structure { 8 int member; 9 }; 10 11 float global; 12 function()13 void function() { 14 } 15 } 16 17 #endif // SYSTEM_HEADER_H 18