diff --git a/internal/gamepad/api_cf_darwin.go b/internal/gamepad/api_cf_darwin.go
index df026a4a770..4fcef1241d0 100644
--- a/internal/gamepad/api_cf_darwin.go
+++ b/internal/gamepad/api_cf_darwin.go
@@ -20,23 +20,25 @@ import (
 	"github.com/ebitengine/purego"
 )
 
-type _CFIndex int64
-type _CFAllocatorRef uintptr
-type _CFArrayRef uintptr
-type _CFDictionaryRef uintptr
-type _CFNumberRef uintptr
-type _CFTypeRef uintptr
-type _CFRunLoopRef uintptr
-type _CFNumberType uintptr
-type _CFStringRef uintptr
-type _CFArrayCallBacks struct{}
-type _CFDictionaryKeyCallBacks struct{}
-type _CFDictionaryValueCallBacks struct{}
-type _CFRunLoopRunResult int32
-type _CFRunLoopMode = _CFStringRef
-type _CFTimeInterval float64
-type _CFTypeID uint64
-type _CFStringEncoding uint32
+type (
+	_CFIndex                    int64
+	_CFAllocatorRef             uintptr
+	_CFArrayRef                 uintptr
+	_CFDictionaryRef            uintptr
+	_CFNumberRef                uintptr
+	_CFTypeRef                  uintptr
+	_CFRunLoopRef               uintptr
+	_CFNumberType               uintptr
+	_CFStringRef                uintptr
+	_CFArrayCallBacks           struct{}
+	_CFDictionaryKeyCallBacks   struct{}
+	_CFDictionaryValueCallBacks struct{}
+	_CFRunLoopRunResult         int32
+	_CFRunLoopMode              = _CFStringRef
+	_CFTimeInterval             float64
+	_CFTypeID                   uint64
+	_CFStringEncoding           uint32
+)
 
 var kCFAllocatorDefault _CFAllocatorRef = 0
 
@@ -73,26 +75,17 @@ func init() {
 	purego.RegisterLibFunc(&_CFStringCreateWithCString, corefoundation, "CFStringCreateWithCString")
 }
 
-var _CFNumberCreate func(allocator _CFAllocatorRef, theType _CFNumberType, valuePtr unsafe.Pointer) _CFNumberRef
-
-var _CFNumberGetValue func(number _CFNumberRef, theType _CFNumberType, valuePtr unsafe.Pointer) bool
-
-var _CFArrayCreate func(allocator _CFAllocatorRef, values *unsafe.Pointer, numValues _CFIndex, callbacks *_CFArrayCallBacks) _CFArrayRef
-
-var _CFArrayGetValueAtIndex func(array _CFArrayRef, index _CFIndex) uintptr
-
-var _CFArrayGetCount func(array _CFArrayRef) _CFIndex
-
-var _CFDictionaryCreate func(allocator _CFAllocatorRef, keys *unsafe.Pointer, values *unsafe.Pointer, numValues _CFIndex, keyCallBacks *_CFDictionaryKeyCallBacks, valueCallBacks *_CFDictionaryValueCallBacks) _CFDictionaryRef
-
-var _CFRelease func(cf _CFTypeRef)
-
-var _CFRunLoopGetMain func() _CFRunLoopRef
-
-var _CFRunLoopRunInMode func(mode _CFRunLoopMode, seconds _CFTimeInterval, returnAfterSourceHandled bool) _CFRunLoopRunResult
-
-var _CFGetTypeID func(cf _CFTypeRef) _CFTypeID
-
-var _CFStringGetCString func(theString _CFStringRef, buffer []byte, encoding _CFStringEncoding) bool
-
-var _CFStringCreateWithCString func(alloc _CFAllocatorRef, cstr []byte, encoding _CFStringEncoding) _CFStringRef
+var (
+	_CFNumberCreate            func(allocator _CFAllocatorRef, theType _CFNumberType, valuePtr unsafe.Pointer) _CFNumberRef
+	_CFNumberGetValue          func(number _CFNumberRef, theType _CFNumberType, valuePtr unsafe.Pointer) bool
+	_CFArrayCreate             func(allocator _CFAllocatorRef, values *unsafe.Pointer, numValues _CFIndex, callbacks *_CFArrayCallBacks) _CFArrayRef
+	_CFArrayGetValueAtIndex    func(array _CFArrayRef, index _CFIndex) uintptr
+	_CFArrayGetCount           func(array _CFArrayRef) _CFIndex
+	_CFDictionaryCreate        func(allocator _CFAllocatorRef, keys *unsafe.Pointer, values *unsafe.Pointer, numValues _CFIndex, keyCallBacks *_CFDictionaryKeyCallBacks, valueCallBacks *_CFDictionaryValueCallBacks) _CFDictionaryRef
+	_CFRelease                 func(cf _CFTypeRef)
+	_CFRunLoopGetMain          func() _CFRunLoopRef
+	_CFRunLoopRunInMode        func(mode _CFRunLoopMode, seconds _CFTimeInterval, returnAfterSourceHandled bool) _CFRunLoopRunResult
+	_CFGetTypeID               func(cf _CFTypeRef) _CFTypeID
+	_CFStringGetCString        func(theString _CFStringRef, buffer []byte, encoding _CFStringEncoding) bool
+	_CFStringCreateWithCString func(alloc _CFAllocatorRef, cstr []byte, encoding _CFStringEncoding) _CFStringRef
+)
diff --git a/internal/gamepad/api_hid_darwin.go b/internal/gamepad/api_hid_darwin.go
index 19f8f778f2b..fa0339e7c4c 100644
--- a/internal/gamepad/api_hid_darwin.go
+++ b/internal/gamepad/api_hid_darwin.go
@@ -74,13 +74,15 @@ var (
 	kIOHIDDeviceUsageKey     = []byte("DeviceUsage\x00")
 )
 
-type _IOOptionBits uint32
-type _IOHIDManagerRef uintptr
-type _IOHIDDeviceRef uintptr
-type _IOHIDElementRef uintptr
-type _IOHIDValueRef uintptr
-type _IOReturn int32
-type _IOHIDElementType uint32
+type (
+	_IOOptionBits     uint32
+	_IOHIDManagerRef  uintptr
+	_IOHIDDeviceRef   uintptr
+	_IOHIDElementRef  uintptr
+	_IOHIDValueRef    uintptr
+	_IOReturn         int32
+	_IOHIDElementType uint32
+)
 
 type _IOHIDDeviceCallback func(context unsafe.Pointer, result _IOReturn, sender unsafe.Pointer, device _IOHIDDeviceRef)
 
@@ -105,34 +107,21 @@ func init() {
 	purego.RegisterLibFunc(&_IOHIDDeviceCopyMatchingElements, iokit, "IOHIDDeviceCopyMatchingElements")
 }
 
-var _IOHIDElementGetTypeID func() _CFTypeID
-
-var _IOHIDManagerCreate func(allocator _CFAllocatorRef, options _IOOptionBits) _IOHIDManagerRef
-
-var _IOHIDDeviceGetProperty func(device _IOHIDDeviceRef, key _CFStringRef) _CFTypeRef
-
-var _IOHIDManagerOpen func(manager _IOHIDManagerRef, options _IOOptionBits) _IOReturn
-
-var _IOHIDManagerSetDeviceMatchingMultiple func(manager _IOHIDManagerRef, multiple _CFArrayRef)
-
-var _IOHIDManagerRegisterDeviceMatchingCallback func(manager _IOHIDManagerRef, callback _IOHIDDeviceCallback, context unsafe.Pointer)
-
-var _IOHIDManagerRegisterDeviceRemovalCallback func(manager _IOHIDManagerRef, callback _IOHIDDeviceCallback, context unsafe.Pointer)
-
-var _IOHIDManagerScheduleWithRunLoop func(manager _IOHIDManagerRef, runLoop _CFRunLoopRef, runLoopMode _CFStringRef)
-
-var _IOHIDElementGetType func(element _IOHIDElementRef) _IOHIDElementType
-
-var _IOHIDElementGetUsage func(element _IOHIDElementRef) uint32
-
-var _IOHIDElementGetUsagePage func(element _IOHIDElementRef) uint32
-
-var _IOHIDElementGetLogicalMin func(element _IOHIDElementRef) _CFIndex
-
-var _IOHIDElementGetLogicalMax func(element _IOHIDElementRef) _CFIndex
-
-var _IOHIDDeviceGetValue func(device _IOHIDDeviceRef, element _IOHIDElementRef, pValue *_IOHIDValueRef) _IOReturn
-
-var _IOHIDValueGetIntegerValue func(value _IOHIDValueRef) _CFIndex
-
-var _IOHIDDeviceCopyMatchingElements func(device _IOHIDDeviceRef, matching _CFDictionaryRef, options _IOOptionBits) _CFArrayRef
+var (
+	_IOHIDElementGetTypeID                      func() _CFTypeID
+	_IOHIDManagerCreate                         func(allocator _CFAllocatorRef, options _IOOptionBits) _IOHIDManagerRef
+	_IOHIDDeviceGetProperty                     func(device _IOHIDDeviceRef, key _CFStringRef) _CFTypeRef
+	_IOHIDManagerOpen                           func(manager _IOHIDManagerRef, options _IOOptionBits) _IOReturn
+	_IOHIDManagerSetDeviceMatchingMultiple      func(manager _IOHIDManagerRef, multiple _CFArrayRef)
+	_IOHIDManagerRegisterDeviceMatchingCallback func(manager _IOHIDManagerRef, callback _IOHIDDeviceCallback, context unsafe.Pointer)
+	_IOHIDManagerRegisterDeviceRemovalCallback  func(manager _IOHIDManagerRef, callback _IOHIDDeviceCallback, context unsafe.Pointer)
+	_IOHIDManagerScheduleWithRunLoop            func(manager _IOHIDManagerRef, runLoop _CFRunLoopRef, runLoopMode _CFStringRef)
+	_IOHIDElementGetType                        func(element _IOHIDElementRef) _IOHIDElementType
+	_IOHIDElementGetUsage                       func(element _IOHIDElementRef) uint32
+	_IOHIDElementGetUsagePage                   func(element _IOHIDElementRef) uint32
+	_IOHIDElementGetLogicalMin                  func(element _IOHIDElementRef) _CFIndex
+	_IOHIDElementGetLogicalMax                  func(element _IOHIDElementRef) _CFIndex
+	_IOHIDDeviceGetValue                        func(device _IOHIDDeviceRef, element _IOHIDElementRef, pValue *_IOHIDValueRef) _IOReturn
+	_IOHIDValueGetIntegerValue                  func(value _IOHIDValueRef) _CFIndex
+	_IOHIDDeviceCopyMatchingElements            func(device _IOHIDDeviceRef, matching _CFDictionaryRef, options _IOOptionBits) _CFArrayRef
+)