@@ -272,15 +272,15 @@
     const char *_Nullable types OBJC_M68K_REG("a3"));
 extern IMP _Nullable class_replaceMethod(Class _Nonnull cls OBJC_M68K_REG("a0"),
     SEL _Nonnull sel OBJC_M68K_REG("a1"),
     IMP _Nonnull imp OBJC_M68K_REG("a2"),
     const char *_Nullable types OBJC_M68K_REG("a3"));
-extern Class _Nullable object_getClass(id _Nullable obj OBJC_M68K_REG("a0"));
-extern Class _Nullable object_setClass(id _Nullable obj OBJC_M68K_REG("a0"),
+extern Class _Nullable object_getClass(id _Nullable object OBJC_M68K_REG("a0"));
+extern Class _Nullable object_setClass(id _Nullable object OBJC_M68K_REG("a0"),
     Class _Nonnull OBJC_M68K_REG("a1"));
 extern const char *_Nullable object_getClassName(
-    id _Nullable obj OBJC_M68K_REG("a0"));
+    id _Nullable object OBJC_M68K_REG("a0"));
 extern const char *_Nonnull protocol_getName(
     Protocol *_Nonnull p OBJC_M68K_REG("a0"));
 extern bool protocol_isEqual(Protocol *_Nonnull a OBJC_M68K_REG("a0"),
     Protocol *_Nonnull b OBJC_M68K_REG("a1"));
 extern bool protocol_conformsToProtocol(
@@ -302,12 +302,13 @@
  *
  * These declarations are also required to prevent Clang's implicit
  * declarations which include __declspec(dllimport) on Windows.
  */
 extern void __objc_exec_class(void *_Nonnull module);
-extern IMP _Nonnull objc_msg_lookup(id _Nullable obj, SEL _Nonnull sel);
-extern IMP _Nonnull objc_msg_lookup_stret(id _Nullable obj, SEL _Nonnull sel);
+extern IMP _Nonnull objc_msg_lookup(id _Nullable object, SEL _Nonnull sel);
+extern IMP _Nonnull objc_msg_lookup_stret(id _Nullable object,
+    SEL _Nonnull sel);
 extern IMP _Nonnull objc_msg_lookup_super(struct objc_super *_Nonnull super,
     SEL _Nonnull sel);
 extern IMP _Nonnull objc_msg_lookup_super_stret(
     struct objc_super *_Nonnull super, SEL _Nonnull sel);
 extern id _Nullable objc_lookUpClass(const char *_Nonnull name);
@@ -324,15 +325,15 @@
     ptrdiff_t offset, id _Nullable value, bool atomic, signed char copy);
 extern void objc_getPropertyStruct(void *_Nonnull dest,
     const void *_Nonnull src, ptrdiff_t size, bool atomic, bool strong);
 extern void objc_setPropertyStruct(void *_Nonnull dest,
     const void *_Nonnull src, ptrdiff_t size, bool atomic, bool strong);
-extern void objc_enumerationMutation(id _Nonnull obj);
+extern void objc_enumerationMutation(id _Nonnull object);
 # ifndef OBJC_NO_PERSONALITY_DECLARATION
 extern int __gnu_objc_personality_v0(int version, int actions,
     uint64_t ex_class, void *_Nonnull ex, void *_Nonnull ctx);
 # endif
 #ifdef __cplusplus
 }
 #endif
 
 #endif