Lines Matching refs:dn
51 static pid_t child = -1, dn;64 if ((dn = open(acu, 1)) < 0) {73 close(dn);87 nw = write(dn, num, lt = strlen(num));100 close(dn);104 tcgetattr(dn, &cntrl);106 tcsetattr(dn, TCSANOW, &cntrl);111 close(dn);146 if (dn > 0)147 close(dn);