1 files changed, 5 insertions, 0 deletions
diff --git a/builtin.h b/builtin.h
index 01882ec93..762098462 100644
--- a/builtin.h
+++ b/builtin.h
@@ -34,5 +34,10 @@ extern int cmd_read_tree(int argc, const char **argv, char **envp);
 extern int cmd_commit_tree(int argc, const char **argv, char **envp);
 extern int cmd_apply(int argc, const char **argv, char **envp);
 extern int cmd_show_branch(int argc, const char **argv, char **envp);
+extern int cmd_diff_files(int argc, const char **argv, char **envp);
+extern int cmd_diff_index(int argc, const char **argv, char **envp);
+extern int cmd_diff_stages(int argc, const char **argv, char **envp);
+extern int cmd_diff_tree(int argc, const char **argv, char **envp);
+
 
 #endif