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Explain the 'const' keyword.

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The const keyword specifies that a variable's value is constant and tells the compiler to prevent the programmer from modifying it. In C, constant values default to external linkage, so they can appear only in source files.
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Certainly! In C programming, the const keyword is used to declare a variable as a constant. Once a variable is declared as const, its value cannot be changed throughout the program's execution. This provides a way to ensure that certain data remains constant and cannot be accidentally modified. For example: c #include...
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Certainly! In C programming, the const keyword is used to declare a variable as a constant. Once a variable is declared as const, its value cannot be changed throughout the program's execution. This provides a way to ensure that certain data remains constant and cannot be accidentally modified.

For example:

c
#include <stdio.h> int main() { const int MAX_VALUE = 100; // MAX_VALUE = 200; // This would result in a compilation error, as MAX_VALUE is a constant printf("The maximum value is: %d\n", MAX_VALUE); return 0; }

In the code above, MAX_VALUE is declared as a constant with a value of 100. Any attempt to modify its value later in the program will result in a compilation error.

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