1207 funsetown(struct sigio **sigiop)  in funsetown()  argument
1212 	if (*sigiop == NULL)  in funsetown()
1216 	sigio = funsetown_locked(*sigiop);  in funsetown()
1296 fsetown(pid_t pgid, struct sigio **sigiop)  in fsetown()  argument
1304 		funsetown(sigiop);  in fsetown()
1311 	sigio->sio_myref = sigiop;  in fsetown()
1317 		osigio = funsetown_locked(*sigiop);  in fsetown()
1344 		osigio = funsetown_locked(*sigiop);  in fsetown()
1369 		*sigiop = sigio;  in fsetown()
1380 fgetown(struct sigio **sigiop)  in fgetown()  argument
1385 	pgid = (*sigiop != NULL) ? (*sigiop)->sio_pgid : 0;  in fgetown()