void sel_init(int, long, long); /* initialise the select thing */
void sel_run(); /* run the select multiplexor */
sel_t *sel_open(int, void *, char *, int (*)(), int, int);/* initialise a slot */
void sel_init(int, long, long); /* initialise the select thing */
void sel_run(); /* run the select multiplexor */
sel_t *sel_open(int, void *, char *, int (*)(), int, int);/* initialise a slot */