9 typedef struct Loop	Loop;  typedef
39 struct Loop  struct
44 	Loop	*next;  argument
89 static Loop	loopbacks[Nloopbacks];
95 static void	looper(Loop *lb);
96 static long	loopoput(Loop *lb, Link *link, Block *bp);
101 static void	freelb(Loop *lb);
120 	Loop *volatile lb;  in loopbackattach()
246 	Loop *lb;  in loopbackwalk()
272 	Loop *lb;  in loopbackopen()
304 	Loop *lb;  in loopbackclose()
342 freelb(Loop *lb)  in freelb()
394 	Loop *lb;  in loopbackread()
437 	Loop *lb;  in loopbackbread()
449 	Loop *lb;  in loopbackbwrite()
460 	Loop *lb;  in loopbackwrite()
546 loopoput(Loop *lb, Link *link, Block *volatile bp)  in loopoput()
575 looper(Loop *lb)  in looper()