3968 giveresponse(status, dsn, m, mci, ctladdr, xstart, e, to)  in giveresponse()  argument
3970 	char *dsn;
4112 			if (dsn == NULL)
4116 				dsn = dsnbuf;
4137 			if (dsn == NULL)
4141 				dsn = dsnbuf;
4168 		logdelivery(m, mci, dsn, statmsg + off, ctladdr, xstart, e);
4173 			   dsn == NULL ? "<NULL>" : dsn,
4219 logdelivery(m, mci, dsn, status, ctladdr, xstart, e)  in logdelivery()  argument
4222 	char *dsn;
4310 	if (dsn != NULL && *dsn != '\0')
4313 				   shortenstring(dsn, ENHSCLEN));