void d0_setmallocfuncs(d0_malloc_t *m, d0_free_t *f);
void d0_setmutexfuncs(d0_createmutex_t *c, d0_destroymutex_t *d, d0_lockmutex_t *l, d0_unlockmutex_t *u);
void d0_setmallocfuncs(d0_malloc_t *m, d0_free_t *f);
void d0_setmutexfuncs(d0_createmutex_t *c, d0_destroymutex_t *d, d0_lockmutex_t *l, d0_unlockmutex_t *u);