diff --git a/include/mbedtls/ssl_cookie.h b/include/mbedtls/ssl_cookie.h
index a5ece81..ca338f4 100644
--- a/include/mbedtls/ssl_cookie.h
+++ b/include/mbedtls/ssl_cookie.h
@@ -28,19 +28,21 @@
 #include "mbedtls/ssl.h"
 
 #if defined(MBEDTLS_THREADING_C)
-#include "mbedtls/threading.h"
+#    include "mbedtls/threading.h"
 #endif
 
 /**
  * \name SECTION: Module settings
  *
  * The configuration options you can set for this module are in this section.
- * Either change them in mbedtls_config.h or define them on the compiler command line.
+ * Either change them in mbedtls_config.h or define them on the compiler command
+ * line.
  * \{
  */
 #ifndef MBEDTLS_SSL_COOKIE_TIMEOUT
-/** Default expiration delay of DTLS cookies, in seconds if HAVE_TIME, or in number of cookies issued */
-#define MBEDTLS_SSL_COOKIE_TIMEOUT     60
+/** Default expiration delay of DTLS cookies, in seconds if HAVE_TIME, or in
+ * number of cookies issued */
+#    define MBEDTLS_SSL_COOKIE_TIMEOUT 60
 #endif
 
 /* \} name SECTION: Module settings */
@@ -52,14 +54,14 @@
 /**
  * \brief          Context for the default cookie functions.
  */
-typedef struct mbedtls_ssl_cookie_ctx
-{
-    mbedtls_md_context_t    MBEDTLS_PRIVATE(hmac_ctx);   /*!< context for the HMAC portion   */
+typedef struct mbedtls_ssl_cookie_ctx {
+    mbedtls_md_context_t MBEDTLS_PRIVATE(hmac_ctx); /*!< context for the HMAC
+                                                       portion   */
 #if !defined(MBEDTLS_HAVE_TIME)
-    unsigned long   MBEDTLS_PRIVATE(serial);     /*!< serial number for expiration   */
+    unsigned long MBEDTLS_PRIVATE(serial); /*!< serial number for expiration */
 #endif
-    unsigned long   MBEDTLS_PRIVATE(timeout);    /*!< timeout delay, in seconds if HAVE_TIME,
-                                     or in number of tickets issued */
+    unsigned long MBEDTLS_PRIVATE(timeout); /*!< timeout delay, in seconds if
+                                HAVE_TIME, or in number of tickets issued */
 
 #if defined(MBEDTLS_THREADING_C)
     mbedtls_threading_mutex_t MBEDTLS_PRIVATE(mutex);
@@ -69,14 +71,14 @@
 /**
  * \brief          Initialize cookie context
  */
-void mbedtls_ssl_cookie_init( mbedtls_ssl_cookie_ctx *ctx );
+void mbedtls_ssl_cookie_init(mbedtls_ssl_cookie_ctx *ctx);
 
 /**
  * \brief          Setup cookie context (generate keys)
  */
-int mbedtls_ssl_cookie_setup( mbedtls_ssl_cookie_ctx *ctx,
-                      int (*f_rng)(void *, unsigned char *, size_t),
-                      void *p_rng );
+int mbedtls_ssl_cookie_setup(mbedtls_ssl_cookie_ctx *ctx,
+                             int (*f_rng)(void *, unsigned char *, size_t),
+                             void *p_rng);
 
 /**
  * \brief          Set expiration delay for cookies
@@ -87,12 +89,13 @@
  *                 issued in the meantime.
  *                 0 to disable expiration (NOT recommended)
  */
-void mbedtls_ssl_cookie_set_timeout( mbedtls_ssl_cookie_ctx *ctx, unsigned long delay );
+void mbedtls_ssl_cookie_set_timeout(mbedtls_ssl_cookie_ctx *ctx,
+                                    unsigned long delay);
 
 /**
  * \brief          Free cookie context
  */
-void mbedtls_ssl_cookie_free( mbedtls_ssl_cookie_ctx *ctx );
+void mbedtls_ssl_cookie_free(mbedtls_ssl_cookie_ctx *ctx);
 
 /**
  * \brief          Generate cookie, see \c mbedtls_ssl_cookie_write_t