undo              126 kern/sysv_sem.c 	struct undo *sunptr;
undo              194 kern/sysv_sem.c 	struct undo *sunptr;
undo              148 sys/sem.h      	struct undo {
undo              202 sys/sem.h      #define SEMUSZ	(sizeof(struct sem_undo)+sizeof(struct undo)*SEMUME)