diff --git a/RaspberryPi/calculate.h b/RaspberryPi/calculate.h
index dfb49ec..14dc441 100644
--- a/RaspberryPi/calculate.h
+++ b/RaspberryPi/calculate.h
@@ -1,8 +1,9 @@
-#ifndef dht22_H
-#define dht22_H
+#ifndef calculate_H
+#define calculate_H
 
 #include "dht22.h"
 
-double absoluteHumidity(sensor *sensor);
+float absoluteHumidity(sensor *sensor);
+int compareSensors(sensor *inside, sensor *outside);
 
-#endif
\ No newline at end of file
+#endif
diff --git a/RaspberryPi/restcurl.c b/RaspberryPi/restcurl.c
new file mode 100644
index 0000000..8d1c8b6
--- /dev/null
+++ b/RaspberryPi/restcurl.c
@@ -0,0 +1 @@
+ 
diff --git a/RaspberryPi/restcurl.h b/RaspberryPi/restcurl.h
new file mode 100644
index 0000000..0993e84
--- /dev/null
+++ b/RaspberryPi/restcurl.h
@@ -0,0 +1,8 @@
+#ifndef restcurl_H
+#define restcurl_H
+
+#include "dht22.h"
+
+//define functions here
+
+#endif