-char *EXFUN (stack_pop, (stack * st));
-char *EXFUN (stack_push, (stack * st, char *element));
-char *EXFUN (stack_top, (stack * st));
-stack *EXFUN (stack_init, (unsigned long chunk_size, unsigned long element_size));
-void EXFUN (c_dot_file_symbol, (char *filename));
-void EXFUN (obj_extra_stuff, (object_headers * headers));
-void EXFUN (stack_delete, (stack * st));