104 dwrmsg(type, str, fn)  in dwrmsg()  argument
106 int fn;
119 	return((*Write)(fn, bufr, (unsigned) strlen(bufr) + 1) < 0 ? FAIL : SUCCESS);
131 drdmsg(str, fn)  in drdmsg()  argument
142 		if( (len = (*Read)(fn, str, XBUFSIZ)) <= 0) {
164 dwrdata(fp1, fn)  in dwrdata()  argument
177 		ret = (*Write)(fn, bufr, (unsigned) len);
186 	(*Ioctl)(fn, DIOCXCTL, dkeof);
188 	ret = (*Write)(fn, bufr, (unsigned) 0);
202 drddata(fn, fp2)  in drddata()  argument
214 		len = drdblk(bufr, XBUFSIZ, fn);
239 drdblk(blk, len,  fn)  in drdblk()  argument
250 		if ((ret = (*Read)(fn, blk, (unsigned) len - i)) < 0) {
256 			ioctl(fn, DIOCQQABO, &why);