Lines Matching defs:dn
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);