add files

1 files changed, 1 insertions, 1 deletions

diff --git a/c/tree/main.c b/c/tree/main.c
index b4b3374..073167e 100644
--- a/c/tree/main.c
+++ b/c/tree/main.c
@@ -11,7 +11,7 @@ void printChild(const regfile * head)
     regfile * scan = head->next;
 
     while (scan != NULL) {
-        printf("%s\tlevel: %d\tname length: %u\tfile or dir: ",scan->node->text,
+        printf("%s\tlevel: %d\tname length: %lu\tfile or dir: ",scan->node->text,
                                             scan->node->level, scan->node->len);
         if (scan->node->fod)
             printf("dir\n");