XVII User Interface—Screen and Keyboard

XVII User Interface—Screen and Keyboard

XVII.1: Why don't I see my screen output until the program ends?

XVII.2: How do I position the cursor on the screen?

XVII.3: What is the easiest way to write data to the screen?

XVII.4: What is the fastest way to write text to the screen?

XVII.5: How can I prevent the user from breaking my program with Ctrl-Break?

XVII.6: How can you get data of only a certain type, for example, only characters?

XVII.7: Why shouldn't scanf be used to accept data?

XVII.8: How do I use function keys and arrow keys in my programs?

XVII.9: How do I prevent the user from typing too many characters in a field?

XVII.10: How do you zero-pad a number?

XVII.11: How do you print a dollars-and-cents value?

XVII.12: How do I print a number in scientific notation?

XVII.13: What is the ANSI driver?

XVII.14: How do you clear the screen with the ANSI driver?

XVII.15: How do you save the cursor's position with the ANSI driver?

XVII.16: How do you restore the cursor's position with the ANSI driver?

XVII.17: How do you change the screen color with the ANSI driver?

XVII.18: How do you write text in color with the ANSI driver?

XVII.19: How do I move the cursor with the ANSI driver?