prototypes/move funcs to bottom

main.c

@@ -3,6 +3,46 @@
 
 #include <wiringPi.h>
 
+void get_one(int *a, int p);
+void get_all(int *a);
+
+void put_all_quiet(int *a);
+void put_all_oneline(int *a);
+void put_all_pretty(int *a);
+
+int main(int argc, char *argv[]) {
+	/*
+	 * pins[] array: GPIO pins only, input only; using WiringPi num scheme
+	 * 0: placeholder
+	 * 1-31: WiringPi 1-31
+	*/
+	int pins[32];
+	int pin;
+
+	wiringPiSetupPinType(WPI_PIN_WPI);
+	//printf("%i\n", argc);
+
+        switch (argc) {
+        case 1: // print everything
+		get_all(pins);
+		put_all_pretty(pins);
+                break;
+	case 2: // print 1 pin
+		pin = atoi(argv[1]);
+                if ((pin >= 1) && (pin <= 31)) {
+			get_one(pins, pin);
+			printf("%d\n", pins[pin]);
+                }
+                break;
+	default: // no
+		fprintf(stderr, "err: too many args (%d)\n", argc-1);
+		return EXIT_FAILURE;
+		break;
+        }
+
+	return EXIT_SUCCESS;
+}
+
 void get_one(int *a, int p) {
 	a[p] = digitalRead(p);
 	return;
@@ -57,36 +97,3 @@ void put_all_pretty(int *a) {
 
         printf("\nPin 31:\t\t%d\n", a[31]);
 }
-
-int main(int argc, char *argv[]) {
-	/*
-	 * pins[] array: GPIO pins only, input only; using WiringPi num scheme
-	 * 0: placeholder
-	 * 1-31: WiringPi 1-31
-	*/
-	int pins[32];
-	int pin;
-
-	wiringPiSetupPinType(WPI_PIN_WPI);
-	//printf("%i\n", argc);
-
-        switch (argc) {
-        case 1: // print everything
-		get_all(pins);
-		put_all_pretty(pins);
-                break;
-	case 2: // print 1 pin
-		pin = atoi(argv[1]);
-                if ((pin >= 1) && (pin <= 31)) {
-			get_one(pins, pin);
-			printf("%d\n", pins[pin]);
-                }
-                break;
-	default: // no
-		fprintf(stderr, "err: too many args (%d)\n", argc-1);
-		return EXIT_FAILURE;
-		break;
-        }
-
-	return EXIT_SUCCESS;
-}