fo_poll           758 kern/sys_generic.c 				if ((*fp->f_ops->fo_poll)(fp, flag[msk], p)) {
fo_poll           848 kern/sys_generic.c 		pl->revents = (*fp->f_ops->fo_poll)(fp, pl->events, p);
fo_poll            54 sys/file.h     	int	(*fo_poll)(struct file *, int, struct proc *);