#include "mlt_types.h"
extern int mlt_factory_init( char *prefix );
+extern const char *mlt_factory_prefix( );
+extern char *mlt_environment( char *name );
extern mlt_producer mlt_factory_producer( char *name, void *input );
extern mlt_filter mlt_factory_filter( char *name, void *input );
extern mlt_transition mlt_factory_transition( char *name, void *input );