Binary data with MSComm control in VC++

I need to recieve binary data with an MSComm communications control in VC++ 6.0 with MFC. I know that in VB you can set the InputMode property to binary but I can't find any way to do this in C. The problem is that my data contains bytes with the value zero and input is a string so a zero byte terminates the string.
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You have to pass the string length to VC as well.

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C strings can contain zeroes inside. But to work with such string, you have to know its length.

Then you can, for example, print the string contents as hex data:

 printf("%02X, ",(int) String[i]);

But you cannot use such string in


because only initial part of the string, terminated by zero, will be printed.
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