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#include is a preprocessor directive. So is #define, #if, etc
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∙ 10y ago
Wiki User
∙ 9y ago#else
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Does header contains preprocessor directive?
Yes, it often does.
How do you set global variables to on?
You can use the preprocessor directive #define, or you can describe a variable in the body of main(). With the preprocessor directive you can make the variable accessible even out of your current project.
Can you declare any variable above preprocessor directive?
Yes.
What is the difference between the header file and the preprocessor directive in programming language cpp?
pata nhn
What is the difference between preprocessor directives and header files?
Preprocessor: All the preprocessor commands written in a high level language are processed by the preprocessor before compiler takes over.Example: "#define MAX_ROWS 10"Preprocessor finds all the places and replaces MAX_ROWS with 10 in the files of the project.Compiler: This software, converts the code written in high-level language into object file. Compiler converts all the files of a given project at once.
How you can use pragma in c language?
a preprocessor directive that is not an specified ISO standard that controls actions of complier and linker
What are preprocessor directives in c programing language?
Preprocessor directives are instructions to the preprocessor which modify the source code prior to compilation. The compiler never sees the directives, it only sees the modified source code. Preprocessor directives can be used to insert the contents of one file into another (#include), define or undefine a macro (#define, #undef), provide conditional compilation (#if, #ifdef, #ifndef, #else, #endif) or provide some implementation-defined operation (#pragma). When the preprocessor acts upon a directive, the directive is not included in the modified file. Where a directive defines a macro, all occurrences of the macro name within the source code are expanded according to the definition. Given that the compiler never sees that definition, this can lead to some obscure error messages where macro expansion results in a compile-time error.
Write a preprocessor directive to accomplish Define symbolic constant YES to have the value 1?
I'm not exactly sure that this is a question, but here you are:#define YES 1
Write a preprocessor directive to accomplish define macro square volume that computes the volume of a square the macro takes one argument?
Pick one: #define SQUARE_AREA(A) ((A) * (A)) #define CUBE_VOLUME(A) ((A) * (A) * (A))
How do you declare constant in Turbo C?
In C there is no constant with a name. It is done with the preprocessor directive of #define as in #define pi 3.1416 The preprocesor substitutes every occurance of word pi (with blanks on either side) with 3.1416
What is a preprocessor in PHP?
As it is, PHP does not have a preprocessor; it is a preprocessor that processes form variables and other environmental variables and prints HTML or general text.
Why all preprocessor directives starts with hashmark?
Because otherwise the preprocessor would ignore them.
