fo_read           135 kern/sys_generic.c 	error = (*fp->f_ops->fo_read)(fp, offset, &auio, fp->f_cred);
fo_read           243 kern/sys_generic.c 	error = (*fp->f_ops->fo_read)(fp, offset, &auio, fp->f_cred);
fo_read            48 sys/file.h     	int	(*fo_read)(struct file *, off_t *, struct uio *,