diff -Nru brltty-6.5.orig/Programs/file.c brltty-6.5/Programs/file.c
--- brltty-6.5.orig/Programs/file.c	2022-04-28 20:34:10.000000000 +0000
+++ brltty-6.5/Programs/file.c	2022-09-28 17:59:40.545061598 +0000
@@ -27,6 +27,7 @@
 #include <sys/stat.h>
 #include <limits.h>
 #include <locale.h>
+#include <termios.h>
 
 #ifdef HAVE_LANGINFO_H
 #include <langinfo.h>