diff --git a/compiler-rt/include/sanitizer/allocator_interface.h b/compiler-rt/include/sanitizer/allocator_interface.h
index 19af06969e083..a792e9f0136e6 100644
--- a/compiler-rt/include/sanitizer/allocator_interface.h
+++ b/compiler-rt/include/sanitizer/allocator_interface.h
@@ -83,8 +83,8 @@ void SANITIZER_CDECL __sanitizer_free_hook(const volatile void *ptr);
    other threads.
 */
 int SANITIZER_CDECL __sanitizer_install_malloc_and_free_hooks(
-    void (*SANITIZER_CDECL malloc_hook)(const volatile void *, size_t),
-    void (*SANITIZER_CDECL free_hook)(const volatile void *));
+    void(SANITIZER_CDECL *malloc_hook)(const volatile void *, size_t),
+    void(SANITIZER_CDECL *free_hook)(const volatile void *));
 
 /* Drains allocator quarantines (calling thread's and global ones), returns
    freed memory back to OS and releases other non-essential internal allocator
diff --git a/compiler-rt/include/sanitizer/dfsan_interface.h b/compiler-rt/include/sanitizer/dfsan_interface.h
index 1084ec1f53cc0..4e52e1b54cd89 100644
--- a/compiler-rt/include/sanitizer/dfsan_interface.h
+++ b/compiler-rt/include/sanitizer/dfsan_interface.h
@@ -25,16 +25,16 @@ typedef uint8_t dfsan_label;
 typedef uint32_t dfsan_origin;
 
 /// Signature of the callback argument to dfsan_set_write_callback().
-typedef void (*SANITIZER_CDECL dfsan_write_callback_t)(int fd, const void *buf,
-                                                       size_t count);
+typedef void(SANITIZER_CDECL *dfsan_write_callback_t)(int fd, const void *buf,
+                                                      size_t count);
 
 /// Signature of the callback argument to dfsan_set_conditional_callback().
-typedef void (*SANITIZER_CDECL dfsan_conditional_callback_t)(
+typedef void(SANITIZER_CDECL *dfsan_conditional_callback_t)(
     dfsan_label label, dfsan_origin origin);
 
 /// Signature of the callback argument to dfsan_set_reaches_function_callback().
 /// The description is intended to hold the name of the variable.
-typedef void (*SANITIZER_CDECL dfsan_reaches_function_callback_t)(
+typedef void(SANITIZER_CDECL *dfsan_reaches_function_callback_t)(
     dfsan_label label, dfsan_origin origin, const char *file, unsigned int line,
     const char *function);
 
diff --git a/compiler-rt/include/sanitizer/msan_interface.h b/compiler-rt/include/sanitizer/msan_interface.h
index 459de87689488..6fedc03125453 100644
--- a/compiler-rt/include/sanitizer/msan_interface.h
+++ b/compiler-rt/include/sanitizer/msan_interface.h
@@ -108,7 +108,7 @@ const char *SANITIZER_CDECL __msan_default_options(void);
 
 /* Deprecated. Call __sanitizer_set_death_callback instead. */
 void SANITIZER_CDECL
-__msan_set_death_callback(void (*SANITIZER_CDECL callback)(void));
+__msan_set_death_callback(void(SANITIZER_CDECL *callback)(void));
 
 /* Update shadow for the application copy of size bytes from src to dst.
    Src and dst are application addresses. This function does not copy the