--- sccs/sccs/cmd/src/bdiff.c.orig	2019-01-17 03:26:43.000000000 +0400
+++ sccs/sccs/cmd/src/bdiff.c	2020-09-02 11:52:36.000000000 +0400
@@ -118,7 +118,7 @@
 static int seglim;	/* limit of size of file segment to be generated */
 
 #if	defined(PROTOTYPES) && defined(INS_BASE)
-static char diffp[]  =  INS_BASE  "/" SCCS_BIN_PRE "bin/" "diff";
+static char diffp[]  =  INS_BASE  "/" SCCS_BIN_PRE "libexec/sccs/" "diff";
 #else
 #define	diffp		diff
 #undef	INS_BASE