What is recursive macro?
The macro language supports recursive and nested macro calls. This means that you can call other macros in a macro definition. When you use recursive macros, you call a macro from its own definition (the macro calls itself).
What does C mean in macros?
The C preprocessor is a macro preprocessor (allows you to define macros) that transforms your program before it is compiled. These transformations can be the inclusion of header file, macro expansions etc.
What is the use of recursive macro?
Use recursion macros to call NMAKE recursively. Recursive sessions inherit command-line and environment-variable macros and Tools. ini information. They don’t inherit makefile-defined inference rules or .
What does ## do in a macro?
The double-number-sign or token-pasting operator (##), which is sometimes called the merging or combining operator, is used in both object-like and function-like macros. It permits separate tokens to be joined into a single token, and therefore, can’t be the first or last token in the macro definition.
How do you define macros?
A macro is a piece of code in a program that is replaced by the value of the macro. Macro is defined by #define directive. Whenever a micro name is encountered by the compiler, it replaces the name with the definition of the macro.
Which perform macro expansion is called?
Explanation: The translator which performs macro calls expansion is called Macro pre – processor. A Macro processor is a program that copies a stream of text from one place to another, making a systematic set of replacements as it does so.
Why are macros used in C?
In C, the macro is used to define any constant value or any variable with its value in the entire program that will be replaced by this macro name, where macro contains the set of code that will be called when the macro name is used in the program.
What is macro processor in system software?
A macro processor is a program that copies a stream of text from one place to another, making a systematic set of replacements as it does so. Macro processors are often embedded in other programs, such as assemblers and compilers. Sometimes they are standalone programs that can be used to process any kind of text.
What is macro give example?
Macro is defined as something that covers a large amount, or is large in size. An example of macro is the study of the key driving aspects of an economy; macro economics. An example of macro is a very close up photograph of an ant; a macro photograph.