extern void co_init P((unsigned int, int)); extern uindex co_new P((object*, string*, Int, frame*, int)); extern Int co_del P((object*, unsigned int)); extern array *co_list P((dataspace*, object*)); extern void co_call P((frame*)); extern void co_info P((uindex*, uindex*)); extern bool co_ready P((void)); extern long co_swaprate1 P((void)); extern long co_swaprate5 P((void)); extern bool co_dump P((int)); extern void co_restore P((int, Uint));