===================================================================
RCS file: /cvs/mandoc/compat_fts.h,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -p -r1.4 -r1.5
--- mandoc/compat_fts.h	2016/10/18 23:58:12	1.4
+++ mandoc/compat_fts.h	2020/06/14 22:49:36	1.5
@@ -1,4 +1,4 @@
-/*	$OpenBSD: compat_fts.h,v 1.4 2016/10/18 23:58:12 schwarze Exp $	*/
+/*	$OpenBSD: compat_fts.h,v 1.5 2020/06/14 22:49:36 schwarze Exp $	*/
 /*	$NetBSD: fts.h,v 1.7 2012/03/01 16:18:51 hans Exp $	*/
 
 /*
@@ -43,7 +43,8 @@ typedef struct {
 	char *fts_path;			/* path for this descent */
 	size_t fts_pathlen;		/* sizeof(path) */
 	int fts_nitems;			/* elements in the sort array */
-	int (*fts_compar)();		/* compare function */
+	int (*fts_compar)(const struct _ftsent **, const struct _ftsent **);
+					/* compare function */
 
 #define	FTS_NOCHDIR	0x0004		/* don't change directories */
 #define	FTS_PHYSICAL	0x0010		/* physical walk */