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Asked by Aparna Last Modified
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The extern keyword in C is used to declare a variable as a global variable such that a variable declared in another scope of the same file or another file can be accessed from anywhere in the program.
The variables or functions declared with the extern keyword in C will be linked externally(external linkage).
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The extern keyword in C is used to declare a variable as a global variable such that a variable declared in another scope of the same file or another file can be accessed from anywhere in the program. The variables or functions declared with the extern keyword in C will be linked externally(external linkage)
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