1f4a2713aSLionel Sambuc #ifndef E_H 2f4a2713aSLionel Sambuc #define E_H 3*0a6a1f1dSLionel Sambuc #define HEADER "a.h" 4*0a6a1f1dSLionel Sambuc #include HEADER 5f4a2713aSLionel Sambuc #include "b.h" 6f4a2713aSLionel Sambuc const int e = a*b; 7f4a2713aSLionel Sambuc #endif 8