diff --git a/include/httpd.h b/include/httpd.h
index 03b48ad..7f33251 100644
--- a/include/httpd.h
+++ b/include/httpd.h
@@ -235,6 +235,7 @@
 int			hdatefmt(Fmt*);
 int			hfail(HConnect*, int, ...);
 int			hflush(Hio*);
+int			hlflush(Hio*);
 int			hgetc(Hio*);
 int			hgethead(HConnect *c, int many);
 int			hinit(Hio*, int, int);