irondoge

#include <stdio.h>

#define PRINT(...) CAT(CT(__VA_ARGS__))(__VA_ARGS__)
#define CAT(N) DOG(N)
#define DOG(N) PRINT ## N

/* max supported args is 5 for now */
#define CT(...) VALS(__VA_ARGS__, 5, 4, 3, 2, 1)
#define VALS(N1, N2, N3, N4, N5, N, ...) N