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1. Get the next character from stdin: how to use getchar | |
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2. Read a char from console: getchar() | |
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3. Read a char and check it value | |
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4. Use getchar() in for loop | |
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5. pause until a key is pressed | |
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6. Get char from console and display it: getche() | |
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7. Get char from the console | |
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