Need help with serial code

A friend of mine that wrote the code listed below to allow a constant ASCII string to go out of a serial port when a button was pressed. I have lost contact with him and I

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  • : A friend of mine that wrote the code listed below to allow a
    : constant ASCII string to go out of a serial port when a button was
    : pressed. I have lost contact with him and I
  • : : A friend of mine that wrote the code listed below to allow a
    : : constant ASCII string to go out of a serial port when a button was
    : : pressed. I have lost contact with him and I
  • Hello
    I am trying to write a program to send data thru a trasmitter which is connected to one of the serial port in the computer. I need to send AsCII character to the transmitter such that it will be Received by the receiver which will also be connected to the serial port in a different PC.

    I do not have a lot of experience with C programming, can some one guide me as to how to send and receive data from a serial port and how can I send one byte at a time to the transmitter such that receiver will also recieve it in a same manner and store each byte in a file for latter use or for execution of different set of behaviors according to the ASCII character received.
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