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Lines Matching defs:dn

41  * Routines for dialing up on DN-11
46 static int child = -1, dn;
59 	if ((dn = open(acu, O_WRONLY)) < 0) {
68 		(void)close(dn);
82 		nw = write(dn, num, (size_t)(lt = strlen(num)));
95 		(void)close(dn);
99 	(void)tcgetattr(dn, &cntrl);
101 	(void)tcsetattr(dn, TCSANOW, &cntrl);
106 	(void)close(dn);
144 	if (dn > 0)
145 		(void)close(dn);