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Usually one would do this by defining it (possibly with an initializer) in a source file and put the extern declaration in a header file.
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In C, without the static you would need to ensure that only one source file defined VAL while the other source files declared it extern. But it also means that multiple inclusions will not result in multiple definitions of VAL that will collide at link time. The static means that there will be one copy of VAL created for each source file it is included in.
SURFACE AREA OF RECTANGLE HOW TO
How to Variable declarations in header files - static or not? Next: Write a C program to compute the perimeter and area of a circle with a given radius. Previous: Write a C program to print the following characters in a reverse way. Sample Output: Perimeter of the rectangle = 24 inchesĬontribute your code and comments through Disqus. Printf("Area of the rectangle = %d square inches\n", area) Printf("Perimeter of the rectangle = %d inches\n", perimeter) * height and width of a rectangle in inches */ A rectangle with four sides of equal length is a square. The formula for the area of a rectangle uses multiplication: length You measure area in square units of a fixed size, square units of measure are square inches, square centimeters, or square miles etc. The area of a two-dimensional figure describes the amount of surface the shape covers. For rectangles or kites which have only two different side lengths, say x and y, the perimeter is equal to 2x + 2y The perimeter can be used to calculate the length of fence required to surround a yard or garden.
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The word comes from the Greek peri (around) and meter (measure). and width of 5 inches.Ī perimeter is a path that surrounds a two-dimensional shape. Write a C program to compute the perimeter and area of a rectangle with a height of 7 inches. C Basic Declarations and Expressions: Exercise-5 with Solution
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