--- a/include/glob.h
+++ b/include/glob.h
@@ -31,6 +31,8 @@ void globfree(glob_t *);
 #define GLOB_NOESCAPE 0x40
 #define	GLOB_PERIOD   0x80
 
+#define GLOB_ONLYDIR	0x100
+
 #define GLOB_NOSPACE 1
 #define GLOB_ABORTED 2
 #define GLOB_NOMATCH 3
