@@ -67,20 +67,20 @@
  *
  * @param object The object to map
  * @param index The index of the object to map
  * @return The object to map to
  */
-typedef id OF_NONNULL (^of_array_map_block_t)(id object, size_t index);
+typedef id _Nonnull (^of_array_map_block_t)(id object, size_t index);
 
 /*!
  * @brief A block for folding an OFArray.
  *
  * @param left The object to which the object has been folded so far
  * @param right The object that should be added to the left object
  * @return The left and right side folded into one object
  */
-typedef id OF_NULLABLE (^of_array_fold_block_t)(id OF_NULLABLE left, id right);
+typedef id _Nullable (^of_array_fold_block_t)(id _Nullable left, id right);
 #endif
 
 /*!
  * @class OFArray OFArray.h ObjFW/OFArray.h
  *
@@ -138,11 +138,11 @@
  * @param objects A C array of objects
  * @param count The length of the C array
  * @return A new autoreleased OFArray
  */
 + (instancetype)
-    arrayWithObjects: (ObjectType const OF_NONNULL *OF_NONNULL)objects
+    arrayWithObjects: (ObjectType const _Nonnull *_Nonnull)objects
 	       count: (size_t)count;
 
 /*!
  * @brief Initializes an OFArray with the specified object.
  *
@@ -183,11 +183,11 @@
  *
  * @param objects A C array of objects
  * @param count The length of the C array
  * @return An initialized OFArray
  */
-- initWithObjects: (ObjectType const OF_NONNULL *OF_NONNULL)objects
+- initWithObjects: (ObjectType const _Nonnull *_Nonnull)objects
 	    count: (size_t)count;
 
 /*!
  * @brief Returns the object at the specified index in the array.
  *
@@ -204,20 +204,19 @@
  * @brief Copies the objects at the specified range to the specified buffer.
  *
  * @param buffer The buffer to copy the objects to
  * @param range The range to copy
  */
-- (void)getObjects: (ObjectType __unsafe_unretained OF_NONNULL *OF_NONNULL)
-			buffer
+- (void)getObjects: (ObjectType __unsafe_unretained _Nonnull *_Nonnull)buffer
 	   inRange: (of_range_t)range;
 
 /*!
  * @brief Returns the objects of the array as a C array.
  *
  * @return The objects of the array as a C array
  */
-- (ObjectType const __unsafe_unretained OF_NONNULL *OF_NONNULL)objects;
+- (ObjectType const __unsafe_unretained _Nonnull *_Nonnull)objects;
 
 /*!
  * @brief Returns the index of the first object that is equivalent to the
  *	  specified object or `OF_NOT_FOUND` if it was not found.
  *
@@ -469,11 +468,11 @@
 	unsigned long *_mutationsPtr;
 	size_t	      _position;
 }
 
 - initWithArray: (OFArray*)data
-   mutationsPtr: (unsigned long *OF_NULLABLE)mutationsPtr;
+   mutationsPtr: (unsigned long *_Nullable)mutationsPtr;
 @end
 
 OF_ASSUME_NONNULL_END
 
 #import "OFMutableArray.h"