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I read somewhere on the forum that getch() is not standard....so what is its standard equivalent?

Thanks

Use something like:

char name1[20], name2[20], pass1[20], pass2[20];instead of

char name1, name2, pass1, pass2;

In Ch.1 of K&R's book it's mentioned:



But what if a line doesn't have any character, and the EOF follows it? Isn't it a zero-length line?

Exercise 1-10 in K&R's book states:



My question is: How can the input have a backspace?

Thanks in advance.