Mutex# Functions sfMutex *sfMutex_create(void)# Create a new mutex. Returns: A new sfMutex object void sfMutex_destroy(sfMutex *mutex)# Destroy a mutex. Parameters: mutex – Mutex to destroy void sfMutex_lock(sfMutex *mutex)# Lock a mutex. Parameters: mutex – Mutex object void sfMutex_unlock(sfMutex *mutex)# Unlock a mutex. Parameters: mutex – Mutex object