An array is a queue of values, all stored as one compact unit with a handy reference method. As you study arrays, especially when you get into pointers, you discover something interesting about the array’s first element.
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Never underestimate the power of the printf() function. It has amazing abilities to format output. And don’t forget about printf()‘s lesser-known cousin, sprintf(). It can do amazing things with strings.
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There is no such word as moduluse, but the C language does feature the modulus operator, %. You can employ that operator do count off intervals, which allows you to manipulate information in a consistent and interesting way.
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You should be familiar with the C language modulus operator, %. Even if that familiarity is fear or confusion it’s still familiarity.
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The C language features a host of symbols that take on different meanings depending on how they’re used. Unless you’re careful, these operators’ multiple personalities can confuse the bejeebers out of you.
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Either-or decisions are easy. They’re similar to the 1 or 0 of low-level programming: True/False, On/Off, Yes/No. When a third element appears, decision-making becomes more complex. To put it another way: That third element can drive both the programmer and the program crazy.
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I don’t think I’ve ever seen the full lot of printf() conversion characters explained in any detail. This lesson is the last in a series of my attempt to do just that.
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The printf() function’s conversion characters %s and %c seem to be rather straightforward. Or are they?
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