diff --git a/libmineziper/include/libmineziper.h b/libmineziper/include/libmineziper.h
index e03016c..7e25008 100644
--- a/libmineziper/include/libmineziper.h
+++ b/libmineziper/include/libmineziper.h
@@ -8,6 +8,5 @@
 
 bool detect_overlaps(char* filename);
 int get_uncompressed_size(zip* in);
-int next_token(bitstream* bs, tree t);
 
 #endif
\ No newline at end of file
diff --git a/libmineziper/include/libmineziper_huffman_tree.h b/libmineziper/include/libmineziper_huffman_tree.h
index b8437c2..1e1afe7 100644
--- a/libmineziper/include/libmineziper_huffman_tree.h
+++ b/libmineziper/include/libmineziper_huffman_tree.h
@@ -3,7 +3,7 @@
 
 #include "libmineziper_bitstream.h"
 
-#define DEFAULT_TREE_SIZE 288
+#define DEFAULT_TREE_SIZE      288
 #define DEFAULT_DIST_TREE_SIZE 32
 
 typedef struct leaf
@@ -22,8 +22,11 @@ typedef struct tree
 
 unsigned int* sort(unsigned char* ints, int size);
 void print_huffman_tree(tree t);
+
 tree build_tree(char* bit_lengths, int size);
 tree build_default_tree();
 tree build_default_dist_tree();
 
+int next_token(bitstream* bs, tree t);
+
 #endif
\ No newline at end of file
diff --git a/libmineziper/src/libmineziper.c b/libmineziper/src/libmineziper.c
index 661380d..6858ddd 100644
--- a/libmineziper/src/libmineziper.c
+++ b/libmineziper/src/libmineziper.c
@@ -16,28 +16,3 @@ int get_uncompressed_size(zip* in)
 
   return size;
 }
-
-int next_token(bitstream* bs, tree t)
-{
-  // TODO handle if tmin is null elsewhere
-  int init = 0;
-  if (t.min > 0)
-  {
-    init = t.min - 1;
-  }
-
-  unsigned int base = get_bits(bs, init);
-
-  for (int k = t.min; k <= t.max; k++)
-  {
-    base += get_bits(bs, 1) << (k - 1);
-
-    for (int i = 0; i < t.size; i++)
-    {
-      if (t.leaves[i].length == k && t.leaves[i].code == base)
-        return t.leaves[i].litteral;
-    }
-  }
-
-  return -1;
-}
\ No newline at end of file
diff --git a/libmineziper/src/libmineziper_huffman_tree.c b/libmineziper/src/libmineziper_huffman_tree.c
index 407f35c..0ce5a36 100644
--- a/libmineziper/src/libmineziper_huffman_tree.c
+++ b/libmineziper/src/libmineziper_huffman_tree.c
@@ -106,3 +106,28 @@ void print_huffman_tree(tree t)
     printf("\n");
   }
 }
+
+int next_token(bitstream* bs, tree t)
+{
+  // TODO handle if tmin is null elsewhere
+  int init = 0;
+  if (t.min > 0)
+  {
+    init = t.min - 1;
+  }
+
+  unsigned int base = get_bits(bs, init);
+
+  for (int k = t.min; k <= t.max; k++)
+  {
+    base += get_bits(bs, 1) << (k - 1);
+
+    for (int i = 0; i < t.size; i++)
+    {
+      if (t.leaves[i].length == k && t.leaves[i].code == base)
+        return t.leaves[i].litteral;
+    }
+  }
+
+  return -1;
+}