1 files changed, 1 insertions, 0 deletions
diff --git a/private.h b/private.h
index b4766b8f..1e80043f 100644
--- a/private.h
+++ b/private.h
@@ -161,6 +161,7 @@ int		  xstrlcats(char *, const struct mdoc_node *, size_t);
 int	  	  xstrlcat(char *, const char *, size_t);
 int	  	  xstrlcpy(char *, const char *, size_t);
 int	  	  xstrcmp(const char *, const char *);
+int	  	  xstrncmp(const char *, const char *, size_t);
 void	 	 *xcalloc(size_t, size_t);
 char	 	 *xstrdup(const char *);