What is a macro function?

What is a macro function?

In general, a macro language function processes one or more arguments and produces a result. You can use all macro functions in both macro definitions and open code. Macro functions include character functions, evaluation functions, and quoting functions.

What is a macro definition in C?

A macro is a fragment of code which has been given a name. Whenever the name is used, it is replaced by the contents of the macro. Object-like macros resemble data objects when used, function-like macros resemble function calls. You may define any valid identifier as a macro, even if it is a C keyword.

What is macro and its uses?

A macro is an automated input sequence that imitates keystrokes or mouse actions. A macro is typically used to replace a repetitive series of keyboard and mouse actions and used often in spreadsheets and word processing applications like MS Excel and MS Word. The file extension of a macro is commonly . MAC.

How do you create a macro function?

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.

What are the advantages of macro?

Advantages of Macros

• Macros hold the details of an operation in a module that can be used “as if” it were a single instruction.
• A frequently used sequence of instructions can be defined as a macro.
• Macros are used to build up complex operations out of simpler operations.
• Libraries of useful macros can be created.

What is difference between inline and macro?

The basic difference between inline and macro is that an inline functions are parsed by the compiler whereas, the macros in a program are expanded by preprocessor. A function that is inline can access the members of the class, whereas, a macro can never access the members of the class.

What is macro explain its types?

In general, there are two types of macros: Executive. These macros generate either code or data that is incorporated into the program being assembled. Generally, an executable instruction is generated. Declarative. These macros produce information used by the assembly process while generating code.

What are the advantages of macros?