diff --git a/Examples/HelloPlaydate/Sources/HelloPlaydate/Game.swift b/Examples/HelloPlaydate/Sources/HelloPlaydate/Game.swift
index 4ea054a..e1bb792 100644
--- a/Examples/HelloPlaydate/Sources/HelloPlaydate/Game.swift
+++ b/Examples/HelloPlaydate/Sources/HelloPlaydate/Game.swift
@@ -8,7 +8,7 @@
 import CPlaydate
 import PlaydateKit
 
-@_cdecl("eventHandler")
+@c(eventHandler)
 public func eventHandler(
     pointer: UnsafeMutableRawPointer,
     event: PDSystemEvent,
diff --git a/README.md b/README.md
index ba18b27..650947e 100644
--- a/README.md
+++ b/README.md
@@ -72,13 +72,13 @@ targets: [
 
 ## Getting started
 
-A Playdate application or game has a single C entry point, `eventHandler`. Export it with `@_cdecl`, initialize the binding on the first event, and install an update callback:
+A Playdate application or game has a single C entry point, `eventHandler`. Export it with `@c`, initialize the binding on the first event, and install an update callback:
 
 ```swift
 import CPlaydate
 import PlaydateKit
 
-@_cdecl("eventHandler")
+@c(eventHandler)
 func eventHandler(
     pointer: UnsafeMutableRawPointer,
     event: PDSystemEvent,
diff --git a/Sources/PlaydateKit/PlaydateKit.docc/GettingStarted.md b/Sources/PlaydateKit/PlaydateKit.docc/GettingStarted.md
index fa13c5f..b4408a1 100644
--- a/Sources/PlaydateKit/PlaydateKit.docc/GettingStarted.md
+++ b/Sources/PlaydateKit/PlaydateKit.docc/GettingStarted.md
@@ -6,14 +6,14 @@ Bootstrap the bindings from your game's entry point and drive a frame loop.
 
 A Playdate game has a single C entry point, `eventHandler`, which the
 firmware calls with a `PlaydateAPI*` and an event code. Export it with
-`@_cdecl`, call ``Playdate/initialize(with:)`` on the first event, and
+`@c`, call ``Playdate/initialize(with:)`` on the first event, and
 install an update callback:
 
 ```swift
 import CPlaydate
 import PlaydateKit
 
-@_cdecl("eventHandler")
+@c(eventHandler)
 func eventHandler(
     pointer: UnsafeMutableRawPointer,
     event: PDSystemEvent,
diff --git a/Sources/PlaydateKit/Support.swift b/Sources/PlaydateKit/Support.swift
index 7098972..2b2be21 100644
--- a/Sources/PlaydateKit/Support.swift
+++ b/Sources/PlaydateKit/Support.swift
@@ -73,7 +73,7 @@ extension String {
 /// The pointer is later released with plain `free`, so it cannot be offset
 /// to adjust alignment; the firmware allocator's natural alignment has to
 /// satisfy the request, which the precondition asserts.
-@_cdecl("posix_memalign")
+@c(posix_memalign)
 public func posix_memalign(
     _ memptr: UnsafeMutablePointer<UnsafeMutableRawPointer?>,
     _ alignment: Int,