static long CALLBACK CDRinit(void) { return 0; }
static long CALLBACK CDRshutdown(void) { return 0; }
static long CALLBACK CDRopen(void) { return 0; }
static long CALLBACK CDRinit(void) { return 0; }
static long CALLBACK CDRshutdown(void) { return 0; }
static long CALLBACK CDRopen(void) { return 0; }