os iOS 13.6 to 14.0 API Differences

atomic.h
Added #def OS_ATOMIC_USES_CXX
Added #def os_atomic_std
Added #def os_atomic
Added #def os_cast_to_atomic_pointer
Added #def os_atomic_basetypeof
Added #def os_cast_to_nonatomic_pointer
base.h
Added #def OS_FALLTHROUGH
clock.h
object.h
Added #def OS_OBJECT_ASSUME_NONNULL_BEGIN
Added #def OS_OBJECT_ASSUME_NONNULL_END
Added #def OS_OBJECT_WARN_UNUSED_RESULT
Added OS_object
Added #def OS_OBJECT_SHOW_CLASS
Added #def OS_OBJECT_SHOW_SUBCLASS
signpost.h
Added #def os_signpost_animation_interval_begin
workgroup_base.h
Added #def OS_WORKGROUP_ASSUME_NONNULL_BEGIN
Added #def OS_WORKGROUP_ASSUME_NONNULL_END
Added #def OS_WORKGROUP_WARN_RESULT
Added #def OS_WORKGROUP_EXPORT
Added #def OS_WORKGROUP_RETURNS_RETAINED
Added #def OS_WORKGROUP_DECL
Added #def OS_WORKGROUP_SUBCLASS_DECL_PROTO
Added #def OS_WORKGROUP_SUBCLASS_DECL
workgroup_interval.h
Added #def OS_WORKGROUP_INTERVAL_DATA_INITIALIZER
workgroup_object.h
Added #def OS_WORKGROUP_ATTR_INITIALIZER_DEFAULT
workgroup_parallel.h