extern int rmr_sym_map( void *s, uint64_t key, void *val );
extern void *rmr_sym_pull( void *vtable, uint64_t key );
extern void rmr_sym_stats( void *s, int level );
extern int rmr_sym_map( void *s, uint64_t key, void *val );
extern void *rmr_sym_pull( void *vtable, uint64_t key );
extern void rmr_sym_stats( void *s, int level );