How do you create and use a function macro?

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Sandeep Kumar Singh

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create a macro function, simply define a macro with a parameter that has whatever name you like, such as my_val . For example, one macro defined in the standard libraries is abs , which returns the absolute value of its parameter.
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To create a macro function, simply define a macro with a parameter that has whatever name you like, such as my_val . For example, one macro defined in the standard libraries is abs , which returns the absolute value of its parameter.
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