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1. Timing C code Timing C code

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   #include <time.h>

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   #include <stdio.h>

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   #include <stdint.h>

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2. Hide & show keystrokes in a Linux te... Hide & show keystrokes in a Linux terminal

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   #include <termios.h>

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   void hide_keystrokes() {

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       struct termios tty;

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       tcgetattr(STDIN_FILENO, &tty);