Reading Serial Data From C (OSX /dev/tty)

Question

I am trying to read data from a bluetooth barcode scanner (KDC300) using C. Here is the code I have so far, and the program successfully establishes a bluetooth connection to th

Answer 1

This line:

        while((res = read(fd,buf,255)) == 0);

Does not do what you think it does. That's a while loop with an empty body.