1 files changed, 5 insertions, 0 deletions
diff --git a/sysfs.h b/sysfs.h
index ccd2430..3acecc9 100644
--- a/sysfs.h
+++ b/sysfs.h
@@ -1,3 +1,8 @@
+#ifndef HAVE_SYSFS_H
+#define HAVE_SYSFS_H
+
 int sysfs_read_str(char *sysfs_file,char *buf,size_t bufsize);
 long int sysfs_read_long_int(char *sysfs_file);
 int sysfs_write_str(char *sysfs_file,char *value,int checkdelay);
+
+#endif