Unix features a handy command line tool called cal. When typed by its lonesome, cal spits up a text calendar on the terminal window. Or you can follow cal with a month and year value to see a specific month, or just the year value to see a year’s calendar. It’s nifty!
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I can think of three rules for concocting your own string in the C language.
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Text stored on a computer consists of various displayable characters and perhaps some control codes, such as a tab (\t) or the newline (\n). The string has a starting point, but determining where and how the string ends differs depending on what is storing or reading the string.
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It was a simple contest: Write code that displays the first 100 prime numbers. The person who wrote the fastest code won.
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Last week’s Lesson discussed the tab character and how it’s used to line up text in a terminal window. This Lesson shows you how such a calculation is made and coded.
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The tab character, 0x08 or ^I (Control-I), is always the same width, no?
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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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