diff --git a/Makefile b/Makefile
index 846144a..159ccd4 100644
--- a/Makefile
+++ b/Makefile
@@ -22,7 +22,7 @@ OBJ = $(addprefix $(OBJ_DIR), $(OBJ_FILES))
 
 CC = gcc
  
-CFLAGS = -Wall -Werror -Wextra -g2
+CFLAGS = -Wall -Werror -Wextra -g3
 
 LIB_NAME = libft
 
diff --git a/src/nm.c b/src/nm.c
index b33fcce..b5b9a93 100644
--- a/src/nm.c
+++ b/src/nm.c
@@ -139,24 +139,79 @@ char *get_sym_char(Elf64_Sym sym, Elf64_Shdr sec) {
 	return ("n");
 }
 
-int strcmp_nm(t_list *a, t_list *b) {
+int strcmp_nm(void *a, void *b) {
+	t_entry *aa = (t_entry *)a;
+	t_entry *bb = (t_entry *)b;
+	char *s1 = aa->symbol;
+	char *s2 = bb->symbol;
+	size_t a_i = 0;
+	size_t b_i = 0;
+	while (s1[a_i] && s2[b_i]) {
+		bool is_okay = true;
+		char c = s1[a_i] & 0x11101111;
+		if (!(c >= 'a' && c <= 'z')) {
+			++a_i;
+			is_okay = false;	
+		}
+		c = s2[b_i] & 0x11101111;
+		if (!(c >= 'a' && c <= 'z')) {
+			is_okay = false;
+			++b_i;
+		}
+		if (is_okay) {
+			printf("comparing %c and %c\n", s1[a_i], s2[b_i]);
+			if ((s1[a_i] & 0x11101111) != (s2[b_i] & 0x11101111)) {
+			 	return s1[a_i] - s2[b_i];
+			} else {
+				a_i++;
+				b_i++;
+			}
+		}
+	}
+	return s1[a_i] - s2[b_i];
+}
+
+int reverse(void *a, void *b) {
+	return strcmp_nm(b, a);
+}
+
+int nosort(void *a, void *b) {
 	(void)a;
 	(void)b;
 	return 1;
 }
 
-int reverse(t_list *a, t_list *b) {
-	return strcmp_nm(b, a);
-}
-
-int nosort(t_list *a, t_list *b) {
-	(void)a;
-	(void)b;
-	return -1;
+void put_entry(void *data) {
+	t_node *node = (t_node *)data;
+	t_entry *entry = (t_entry *)node->data;
+/*	if (node->parent) {
+		ft_putstr("node has parent: ");
+		t_node *parent = (t_node *)node->parent;
+		t_entry *lol = (t_entry *)parent->data;
+		ft_putstr(lol->string);
+	}
+	if (node->left) {
+		ft_putstr("node has left: ");
+		t_node *left = (t_node *)node->left;
+		t_entry *lol = (t_entry *)left->data;
+		ft_putstr(lol->string);
+	}
+	if (node->right) {
+		ft_putstr("node has right: ");
+		t_node *right = (t_node *)node->right;
+		t_entry *lol = (t_entry *)right->data;
+		ft_putstr(lol->string);
+	}
+	if (node->color == RED) {
+		ft_putstr("RED NODE: ");
+	} else {
+		ft_putstr("BLACK NODE: ");
+	}*/
+	ft_putstr(entry->string);
 }
 
 int nm64(t_mapped_file mapped_file, char *path, t_verbosity verbosity, t_ordering ordering) {
-	t_list *list = NULL;
+	t_root *tree = NULL;
 	t_entry *entry = (t_entry *)malloc(sizeof(t_entry)); 
 	if (!entry)
 		return FT_NM_FAILURE;
@@ -251,13 +306,13 @@ int nm64(t_mapped_file mapped_file, char *path, t_verbosity verbosity, t_orderin
 					// ensuite un switch ordering avec un ft_lstinsert (pointeur sur fonction serait plus opti mais osef)
 					switch (ordering) {
 						case NOSORT:
-							ft_lstinsert(&list, ft_lstnew((void *)entry, sizeof(t_entry)), &nosort);
+							ft_rbt_insert(&tree, ft_rbt_new((void *)entry, sizeof(t_entry)), &nosort);
 							break;
 						case REVERSE:
-							ft_lstinsert(&list, ft_lstnew((void *)entry, sizeof(t_entry)), &reverse);
+							ft_rbt_insert(&tree, ft_rbt_new((void *)entry, sizeof(t_entry)), &reverse);
 							break;
 						case DEFAULT_ORDERING:
-							ft_lstinsert(&list, ft_lstnew((void *)entry, sizeof(t_entry)), &strcmp_nm);
+							ft_rbt_insert(&tree, ft_rbt_new((void *)entry, sizeof(t_entry)), &strcmp_nm);
 							break;
 					}
 					// pas de bst oops :D
@@ -269,15 +324,32 @@ int nm64(t_mapped_file mapped_file, char *path, t_verbosity verbosity, t_orderin
 		free(str);
 	}
 	// ici on affiche tout ou no symbols en cas de list vide
+/*	char buffer[16384];
+	size_t buf_i = 0;
+	size_t entry_string_len = 0;
 	if (list) {
 		while (list) {
 			t_entry *my_entry = (t_entry *)list->content;
-			ft_putstr(my_entry->string);
+			entry_string_len = ft_strlen(my_entry->string);
+			if (buf_i + entry_string_len < 16384) {
+				ft_memcpy(buffer + buf_i, my_entry->string, entry_string_len);
+				buf_i += entry_string_len;
+			} else {
+				buffer[buf_i] = '\0';
+				ft_putstr(buffer);
+				buf_i = 0;
+			}
+			//ft_putstr(my_entry->string);
 			list = list->next;
 		}
 	}
 	else {
 		ft_printf("sss", "nm: ", path, ": no symbols\n");
+	}*/
+	if (tree) {
+		ft_putrbt(tree, &put_entry);
+	} else {
+		ft_printf("sss", "nm: ", path, ": no symbols\n");
 	}
 	return FT_NM_SUCCESS;
 }