TH> I am trying to send 'AT' commands to a modem. "fopen" doesn't seem to
 TH> work. Can someone post a snippit of code demonstrating how to open a
 TH> port to COM3: and sending AT commands to it. 
   ofstream modem("COM3", ios::out|ios::binary) ;
   modem << "ATZ\r" << flush ;
 ¯ JdeBP ®
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