explicitly initialized value, subdevice, channel, aref and range in main.c

demo/cmd.c

@@ -28,10 +28,7 @@
 #define N_SCANS		10
 #define N_CHANS		16
 
-int subdevice = 0;
 int chan=9;
-int range = 0;
-int aref = AREF_GROUND;
 int n_chan = 3;
 double freq = 1000;
 

demo/main.c

@@ -18,11 +18,11 @@
 char *filename="/dev/comedi0";
 int verbose_flag;
 
-int value;
-int subdevice;
-int channel;
-int aref;
-int range;
+int value=0;
+int subdevice=0;
+int channel=0;
+int aref=0;
+int range=0;
 
 
 int parse_options(int argc, char *argv[])

demo/mmap.c

@@ -30,10 +30,6 @@
 #define N_SCANS		10
 #define N_CHANS		16
 
-int subdevice = 0;
-int chan=0;
-int range = 0;
-int aref = AREF_GROUND;
 double freq = 1000;
 
 #define BUFSZ 1000