C语言基础之#define #include
/*#define h(x) g(x)#define g(x) #x#define f(x, y) x##y#define con(x, y) x##yvoid haha(){ cout << "haha" <<endl;}int main(){ int a = 0; int b = 2; int* c = NULL; //a == 0 ? b = 1 + 2 + 3 : NULL;