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Determining if stdin data exists for your program BEFORE issuing fgetc() or similar command
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A program that handles either piped input (command/prog | your_prog) or file redirected (your_prog < file_name) input. Determine whether such input exists before issuing a stdin read so that the program does not go into a "waiting for input" state. Written in/for the XP environment.

Software Development c pipe stdin
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The End.