Lines Matching refs:FD
69 if (!bizsync(FD)) {
128 write(FD, DISCONNECT_CMD, sizeof(DISCONNECT_CMD)-1);
130 tcflush(FD, TCIOFLUSH);
136 write(FD, "\33", 1);
147 read(FD, &c, 1);
153 write(FD, &c, 1);
157 write(FD, &c, 1);
158 read(FD, &c, 1);
185 read(FD, &c, 1);
205 read(FD, &c, 1);
235 tcflush(FD, TCIOFLUSH);