bsd/kern/sysv_msg.c

463 		for (msghdr = msqptr->u.msg_first; msghdr != NULL;
471 		msghdr = msqptr->u.msg_first;
675 		msqptr->u.msg_first = NULL;
1098 	if (msqptr->u.msg_first == NULL) {
1099 		msqptr->u.msg_first = msghdr;
1200 			msghdr = msqptr->u.msg_first;
1217 				if (msqptr->u.msg_first == msqptr->u.msg_last) {
1218 					msqptr->u.msg_first = NULL;
1221 					msqptr->u.msg_first = msghdr->msg_next;
1222 					if (msqptr->u.msg_first == NULL)
1223 						panic("msg_first/last messed up #1");
1231 			prev = &(msqptr->u.msg_first);
1267 							    &msqptr->u.msg_first)
1268 								panic("msg_first/last messed up #2");
1269 							msqptr->u.msg_first =
1275 							    &msqptr->u.msg_first)
1276 								panic("msg_first/last messed up #3");