Here is a list of all variables with links to the files they belong to:

• cti_selection : walkthrough.cpp
• no_key_for_exit : walkthrough.cpp
• num_frames_to_acquire : walkthrough.cpp
• print_help_text_and_exit : walkthrough.cpp
• print_version_and_exit : walkthrough.cpp
• US_TO_MS_DENOMINATOR : mainwindow.cpp