how can I avoid the use of #if in a polymorphic print macro

Question

Let\'s try to run the following code:

#include 
#define MY_MACRO1(isArray,y) do { \\
                      if(isArray) \\
                                 


        

Answer 1

Let me first say that I don't think you should use macro for this. You should have 2 separate functions instead, with possibly additional _Generic expression as shown in Lundins answer.

However, it is possible to do with multiple macro defines:

#define MY_MACRO(isArray,y) MY_MACRO_ ## isArray (y)
#define MY_MACRO_0(y) printf("%d", y)
#define MY_MACRO_1(y) printf("%d", y[0])