How to work with File Inclusion Directives

The external files containing functions or macro definitions can be linked with our program so that there is no need to write the functions and macro definitions again. This can be achieved by using the #include directive. The syntax for this directive is as shown below:’ C provides many features like structures, unions and pointers. Another unique feature of the C language is the preprocessor. The C preprocessor provides several tools that are not present in other high-level languages. The programmer can use these tools to make his program easy to read, easy to modify, portable and more efficient. The

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How to work with File Inclusion Directives
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