Средства и методы разработки

https://github.com/eddyem/snippets_library/blob/master/usefull_macros.h#L95

#ifdef EBUG
    #define FNAME() do{ fprintf(stderr, COLOR_OLD); \
        fprintf(stderr, "\n%s (%s, line %d)\n", __func__, __FILE__, __LINE__);} while(0)
    #define DBG(...) do{ fprintf(stderr, COLOR_OLD); \
                    fprintf(stderr, "%s (%s, line %d): ", __func__, __FILE__, __LINE__); \
                    fprintf(stderr, __VA_ARGS__);           \
                    fprintf(stderr, "\n");} while(0)
#else
    #define FNAME()  do{}while(0)
    #define DBG(...) do{}while(0)
#endif //EBUG