1diff -Naur msr-old/msr.c msr-20060208/msr.c
2--- msr-old/msr.c 1969-12-31 21:00:01.000000000 -0300
3+++ msr-20060208/msr.c 2021-11-02 21:19:34.576722617 -0300
4@@ -19,6 +19,7 @@
5 #include <stdio.h>
6 #include <sys/types.h>
7 #include <sys/stat.h>
8+#include <sys/sysmacros.h>
9 #include <fcntl.h>
10 #include <errno.h>
11 #include <unistd.h>