Why do we use # in C programming?

Asked by Last Modified  

Follow 1
Answer

Please enter your answer

I am online Quran teacher 7 years

In C programming, the "#" symbol is used in preprocessor directives to indicate a command or action that should be performed before the compilation process. For example, "#include" is used to include header files, "#define" is used to define macros, and "#ifdef" is used for conditional compilation. These...
read more
In C programming, the "#" symbol is used in preprocessor directives to indicate a command or action that should be performed before the compilation process. For example, "#include" is used to include header files, "#define" is used to define macros, and "#ifdef" is used for conditional compilation. These directives help in manipulating the source code before it's compiled. read less
Comments

A Ugc Net Certified Tutor

To generally include header files or macros
Comments

C language Faculty (online Classes )

In C programming the # is used to indicate that a preprocessor directive. Preprocessor directives are lines of code that are executed by a preprocessor program before the actual compilation of the code begins. These directives begin with the # and are followed by a preprocessor command.
Comments

A Ugc Net Certified Tutor

to import the preprocessor directives( user defined or predefined header files like stdio.h, conio.h etc)
Comments

View 2 more Answers

Related Questions

In C/C++, when should you use the comma (,) operator instead of the semicolon (;) statement terminator?
int a=2; b=a; b=a+2; Instead of the above two statements we can write it as b=(a,a+2); The value of b is 4
Thimma
0 0
5
what is syntex error
A syntax error is an error which found in the source code of a program or sometimes it can be small grammatical mistakes in spelling or limited to a single character. Programming languages follow their...
Tanha
How do I learn C programming easily?
focus on hands-on practice by writing, running, and debugging code.
Altaf
0 0
5
What is meant by “enum” in C?
An enum is a keyword in C language, it is an user defined data type. All properties of integer are applied on Enumeration data type It work like the Integer.
Geetanjali
What is the use of getch(); in the end of c program
getch() is used to hold the console(output) window on the screen after the whole program run is completed till the user enters a key from keyboard. However, the character entered is not displayed on screen....
Priyanka

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Find out the Output of the following with reason and get C Language Training fess less by 10%
1. void main() { clrscr(); printf(5+"Beautifull"); getch(); } 2. void main() { int a=50; clrscr(); ...

Some Tricky Questions in C
Can you write two functions in which one executes before main function and other executes after the main function? #pragma startup #pragma exit Where, priority is optional integer value.For user priority...

Some interview questions for freshers on C language
Q1. What are the two forms of #include? There are two variants of #include. The one is #include and the other one is #include”file”. In general the first form that is #include is used to...

Necessity of Theory and Practical in Computer Science.
Upon studying a subject both theory and practical are important. Usually many schools concentrate more on theory and the marks not on the practical. Other and opposite kind of people prefer practical...

Design your own Mouse Driver in C Language
Mouse Driver (msdrv.h) #include #include union REGS i,o; restrictmouseptr(int x1, int y1, int x2, int y2) { i.x.ax=7; i.x.cx=x1; i.x.dx=x2; ...

Recommended Articles

Brilliant Academy is one of the reputed institutes for B.Tech tuition classes. This institute is specialised in delivering quality tuition classes for B.E, Engineering - all streams and Engineering diploma courses. Incorporated in 2012, Brillant Academy is a brainchild of Mr Jagadeesh. The main motto of the academy is to...

Read full article >

Lasya Infotech is a Hyderabad based IT training institute founded in 2016 by O Venkat. Believing in his innovation, passion and persistence and with a diverse blend of experience, he started his brainchild to deliver exemplary professional courses to aspiring candidates by honing their skills. Ever since the institute envisions...

Read full article >

Software Development has been one of the most popular career trends since years. The reason behind this is the fact that software are being used almost everywhere today.  In all of our lives, from the morning’s alarm clock to the coffee maker, car, mobile phone, computer, ATM and in almost everything we use in our daily...

Read full article >

Microsoft Excel is an electronic spreadsheet tool which is commonly used for financial and statistical data processing. It has been developed by Microsoft and forms a major component of the widely used Microsoft Office. From individual users to the top IT companies, Excel is used worldwide. Excel is one of the most important...

Read full article >

Looking for C Language Classes?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you