Many bugfixes - fixed warnings and compile errors

RaspberryPi/configreader.h

@@ -1,10 +1,20 @@
+#ifndef cfgreader_H
+#define cfgreader_H
+
+
+typedef struct sensornode {
+    char *ip;
+    struct sensornode *next;
+} sensornode;
+
+
+
 void cfginit(void);
 void cfgdestroy(void);
 void cfgreinit(void);
 int cfgreadpinnumber(int element);
 int cfgreadpinamount(void);
+int cfgreadsensornodes(sensornode *nodes, int nodecount);
 
-typedef struct sensornode {
-    char *ip;
-    struct sensornode *next;
-}
+
+#endif