Have macro 'return' a value

Question

I\'m using a macro and I think it works fine -

#define CStrNullLastNL(str) {char* nl=strrchr(str,\'\\n\'); if(nl){*nl=0;}}

So it works to zero out the last

Answer 1

Returning a value is what inline functions are for. And quite often, said inline functions are better suited to tasks than macros, which are very dangerous and have no type safetly.