Solved exercise 2 - create a simple tree program clone

exercises/tree/main.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "tree.h"
+
+int main(int argc, char *argv[]) {
+    const char *path = (argc > 1) ? argv[1] : ".";
+
+    if (print_tree(path, 0) == -1) {
+        perror("Error traversing directory");
+        return EXIT_FAILURE;
+    }
+
+    return EXIT_SUCCESS;
+}
+