wta.c: add color and debug macros

src/wta.c

@@ -1,3 +1,18 @@
+#include <stdio.h>
+
+#ifdef DEBUG
+#define dbg(format, ...) do { \
+  printf("\033[1;35m[DEBUG] (func: %s) msg:\033[0;35m " format "\033[0m\n",__func__, __VA_ARGS__); \
+} while(0)
+#else
+#define dbg(format, ...)
+#endif
+#define c_red "\033[1;31m"
+#define c_green "\033[1;32m"
+#define c_yellow "\033[1;33m"
+#define c_end "\033[0m"
+
+
 int main()
 {
   return 0;