static void *(*createNvramHostInterface_fptr)(const char *handle);
 static kern_return_t (*destroyNvramHostInterface_fptr)(void *interface);
 static kern_return_t (*getNVRAMVariable_fptr)(void *interface, char *name, char **buffer, uint32_t *size);
 static void *(*createNvramHostInterface_fptr)(const char *handle);
 static kern_return_t (*destroyNvramHostInterface_fptr)(void *interface);
 static kern_return_t (*getNVRAMVariable_fptr)(void *interface, char *name, char **buffer, uint32_t *size);
-  nameRef = CFStringCreateWithCString(kCFAllocatorDefault, name,
-                                     kCFStringEncodingUTF8);
-  if (nameRef == 0) {
-    errx(1, "Error creating CFString for key %s", name);
-  }
-
-  valueRef = IORegistryEntryCreateCFProperty(gOptionsRef, nameRef, 0, 0);
-  if (valueRef) {
-    typeID = CFGetTypeID(valueRef);
-    CFRelease(valueRef);
-
-    valueRef = ConvertValueToCFTypeRef(typeID, value);
-    if (valueRef == 0) {
-      errx(1, "Error creating CFTypeRef for value %s", value);
-    }  result = IORegistryEntrySetCFProperty(gOptionsRef, nameRef, valueRef);
-  } else {
-    while (1) {
-      // In the default case, try data, string, number, then boolean.
-
-      valueRef = ConvertValueToCFTypeRef(CFDataGetTypeID(), value);
-      if (valueRef != 0) {
-       result = IORegistryEntrySetCFProperty(gOptionsRef, nameRef, valueRef);
-       if (result == KERN_SUCCESS) break;
-      }
-
-      valueRef = ConvertValueToCFTypeRef(CFStringGetTypeID(), value);
-      if (valueRef != 0) {
-       result = IORegistryEntrySetCFProperty(gOptionsRef, nameRef, valueRef);
-       if (result == KERN_SUCCESS) break;
-      }
-
-      valueRef = ConvertValueToCFTypeRef(CFNumberGetTypeID(), value);
-      if (valueRef != 0) {
-       result = IORegistryEntrySetCFProperty(gOptionsRef, nameRef, valueRef);
-       if (result == KERN_SUCCESS) break;
-      }
+    nameRef = CFStringCreateWithCString(kCFAllocatorDefault, name,
+                                        kCFStringEncodingUTF8);
+    if (nameRef == 0) {
+        errx(1, "Error creating CFString for key %s", name);
+    }
+        valueRef = ConvertValueToCFTypeRef(typeID, value);
+        if (valueRef == 0) {
+            errx(1, "Error creating CFTypeRef for value %s", value);
+        }  result = IORegistryEntrySetCFProperty(gOptionsRef, nameRef, valueRef);
+    } else {
+        while (1) {
+            // In the default case, try data, string, number, then boolean.
+
+            valueRef = ConvertValueToCFTypeRef(CFDataGetTypeID(), value);
+            if (valueRef != 0) {
+                result = IORegistryEntrySetCFProperty(gOptionsRef, nameRef, valueRef);
+                if (result == KERN_SUCCESS) break;
+            }
+
+            valueRef = ConvertValueToCFTypeRef(CFStringGetTypeID(), value);
+            if (valueRef != 0) {
+                result = IORegistryEntrySetCFProperty(gOptionsRef, nameRef, valueRef);
+                if (result == KERN_SUCCESS) break;
+            }
+
+            valueRef = ConvertValueToCFTypeRef(CFNumberGetTypeID(), value);
+            if (valueRef != 0) {
+                result = IORegistryEntrySetCFProperty(gOptionsRef, nameRef, valueRef);
+                if (result == KERN_SUCCESS) break;
+            }
+
+            valueRef = ConvertValueToCFTypeRef(CFBooleanGetTypeID(), value);
+            if (valueRef != 0) {
+                result = IORegistryEntrySetCFProperty(gOptionsRef, nameRef, valueRef);
+                if (result == KERN_SUCCESS) break;
+            }
+
+            break;
+        }
-  CFTypeRef     valueRef = 0;
-  long          cnt, cnt2, length;
-  unsigned long number, tmp;
-
-  if (typeID == CFBooleanGetTypeID()) {
-    if (!strcmp("true", value)) valueRef = kCFBooleanTrue;
-    else if (!strcmp("false", value)) valueRef = kCFBooleanFalse;
-  } else if (typeID == CFNumberGetTypeID()) {
-    number = strtol(value, 0, 0);
-    valueRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type,
-                             &number);
-  } else if (typeID == CFStringGetTypeID()) {
-    valueRef = CFStringCreateWithCString(kCFAllocatorDefault, value,
-                                        kCFStringEncodingUTF8);
-  } else if (typeID == CFDataGetTypeID()) {
-    length = strlen(value);
-    for (cnt = cnt2 = 0; cnt < length; cnt++, cnt2++) {
-      if (value[cnt] == '%') {
-       if (!ishexnumber(value[cnt + 1]) ||
-           !ishexnumber(value[cnt + 2])) return 0;
-       number = toupper(value[++cnt]) - '0';
-       if (number > 9) number -= 7;
-       tmp = toupper(value[++cnt]) - '0';
-       if (tmp > 9) tmp -= 7;
-       number = (number << 4) + tmp;
-       value[cnt2] = number;
-      } else value[cnt2] = value[cnt];
-    }
-    valueRef = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, (const UInt8 *)value,
-                                          cnt2, kCFAllocatorDefault);
-  } else return 0;
+    CFTypeRef     valueRef = 0;
+    long          cnt, cnt2, length;
+    unsigned long number, tmp;
+
+    if (typeID == CFBooleanGetTypeID()) {
+        if (!strcmp("true", value)) valueRef = kCFBooleanTrue;
+        else if (!strcmp("false", value)) valueRef = kCFBooleanFalse;
+    } else if (typeID == CFNumberGetTypeID()) {
+        number = strtol(value, 0, 0);
+        valueRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type,
+                                  &number);
+    } else if (typeID == CFStringGetTypeID()) {
+        valueRef = CFStringCreateWithCString(kCFAllocatorDefault, value,
+                                             kCFStringEncodingUTF8);
+    } else if (typeID == CFDataGetTypeID()) {
+        length = strlen(value);
+        for (cnt = cnt2 = 0; cnt < length; cnt++, cnt2++) {
+            if (value[cnt] == '%') {
+                if (!ishexnumber(value[cnt + 1]) ||
+                    !ishexnumber(value[cnt + 2])) return 0;
+                number = toupper(value[++cnt]) - '0';
+                if (number > 9) number -= 7;
+                tmp = toupper(value[++cnt]) - '0';
+                if (tmp > 9) tmp -= 7;
+                number = (number << 4) + tmp;
+                value[cnt2] = number;
+            } else value[cnt2] = value[cnt];
+        }
+        valueRef = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, (const UInt8 *)value,
+                                               cnt2, kCFAllocatorDefault);
+    } else return 0;