13 #define	UNLINK(p, nx, pr)	((p)->pr->nx = (p)->nx, (p)->nx->pr = (p)->pr)  argument
15 #define	LINK(h, p, nx, pr)	((p)->nx = (h)->nx, (p)->pr = (h), \  argument
18 #define	HTOFRONT(h, p)	((h)->hnext != (p) && (UNLINK(p,hnext,hprev), LINK(h,p,hnext,hprev)))  argument
20 #define	TOFRONT(h, p)	((h)->next  != (p) && (UNLINK(p, next, prev), LINK(h,p, next, prev)))  argument
40 	Iosect *p;  in getiosect()  local
68 putsect(Iosect *p)  in putsect()
91 	Iotrack *hp, *p;  in getiotrack()  local
160 	Iosect *p;  in purgetrack()  local
240 	Iotrack *p;  in purgebuf()  local
259 	Iotrack *p;  in sync()  local
276 	Iotrack *mp, *p;  in iotrack_init()  local
297 	Iosect *p;  in newsect()  local
310 freesect(Iosect *p)  in freesect()