Stylistic fixes

properties.m

@@ -149,7 +149,7 @@ objc_property_t* class_copyPropertyList(Class cls, unsigned int *outCount)
 {
 	if (Nil == cls || !objc_test_class_flag(cls, objc_class_flag_new_abi))
 	{
-		if (outCount) { *outCount = 0; }
+		if (NULL != outCount) { *outCount = 0; }
 		return NULL;
 	}
 	struct objc_property_list *properties = cls->properties;
@@ -158,7 +158,7 @@ objc_property_t* class_copyPropertyList(Class cls, unsigned int *outCount)
 	{
 		count += l->count;
 	}
-	if (outCount)
+	if (NULL != outCount)
 	{
 		*outCount = count;
 	}

runtime.c

@@ -158,7 +158,7 @@ class_copyIvarList(Class cls, unsigned int *outCount)
   unsigned int index;
   Ivar *list;
 
-  if (cls)
+  if (Nil != cls)
     {
       ivarlist = cls->ivars;
     }

selector_table.c

@@ -349,7 +349,7 @@ static SEL objc_register_selector_copy(SEL aSel)
 
 const char *sel_getName(SEL sel)
 {
-	if ((SEL)NULL == sel) { return "<null selector>"; }
+	if (NULL == sel) { return "<null selector>"; }
 	const char *name = sel->name;
 	if (isSelRegistered(sel))
 	{
@@ -395,21 +395,21 @@ BOOL sel_isEqual(SEL sel1, SEL sel2)
 
 SEL sel_registerName(const char *selName)
 {
-	if (NULL == selName) { return (SEL)NULL; }
+	if (NULL == selName) { return NULL; }
 	struct objc_selector sel = {selName, 0};
 	return objc_register_selector_copy(&sel);
 }
 
 SEL sel_registerTypedName_np(const char *selName, const char *types)
 {
-	if (NULL == selName) { return (SEL)NULL; }
+	if (NULL == selName) { return NULL; }
 	struct objc_selector sel = {selName, types};
 	return objc_register_selector_copy(&sel);
 }
 
 const char *sel_getType_np(SEL aSel)
 {
-	if ((SEL)NULL == aSel) { return NULL; }
+	if (NULL == aSel) { return NULL; }
 	return aSel->types;
 }
 
@@ -517,7 +517,7 @@ void objc_register_selector_array(SEL selectors, unsigned long count)
 
 SEL sel_get_typed_uid (const char *name, const char *types)
 {
-	if (NULL == name) { return (SEL)NULL; }
+	if (NULL == name) { return NULL; }
 	SEL sel = selector_lookup(name, types);
 	if (NULL == sel) { return sel_registerTypedName_np(name, types); }
 
@@ -534,7 +534,7 @@ SEL sel_get_typed_uid (const char *name, const char *types)
 
 SEL sel_get_any_typed_uid (const char *name)
 {
-	if (NULL == name) { return (SEL)NULL; }
+	if (NULL == name) { return NULL; }
 	SEL sel = selector_lookup(name, 0);
 	if (NULL == sel) { return sel_registerName(name); }