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What does Clrscr return?

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What does Clrscr return?

clrscr() clears the console screen.

What is Clrscr ()?

Up vote 1. you can use the system cls command to clear the output screen.. clrscr() is from turbo c++, inside conio.h and conio.h is “non standard”, and as such should be probably avoided. example #include main() { some code….; system(“cls”); some more code; }

How do I declare Clrscr?

Replace “clear” with “cls” if you’re on Windows/DOS platform. clrscr() is predefined function of #include h> library . if we will not add #includeIf you really need to clear your screen, try:

  1. #include
  2. #define CLRSCR system(“clear”);
  3. inline void foo() { CLRSCR }

Why Clrscr is undefined?

Getting an undefined reference to ‘clrscr’ error is a linker error, which means that you’re not referencing a library with the clrscr function in it. Clrscr() is declared in ‘conio. h’ file . Which means ‘Console Input Output’ header file.

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What is System CLS in C?

Using system(“cls”) – For TurboC Compiler system() is a library function of stdlib. h header file. This function is used to run system/ command prompt commands and here cls is a command to clear the output screen.

How do I clear the screen in CPP?

cout << “\033[2J\033[1;1H”; This is a string of special characters that translate to clear the screen command. You can enclose this in a function like e.g. clrscr() depending on your implementation.

What is System CLS C++?

Clearing the Screen: system(“CLS”); When the screen is cleared in Visual C++, the cursor is moved to the upper left corner of the screen. To clear the screen in Visual C++, utilize the code: system(“CLS”); The standard library header file is needed.

What is header file of Clrscr?

“It is a predefined function in “conio.h” (console input output header file) used to clear the console screen. It is a predefined function, by using this function we can clear the data from console (Monitor).

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Why do we use return 0 in C programming?

The main function is generally supposed to return a value and after it returns something it finishes execution. The return 0 means success and returning a non-zero number means failure. Thus we “return 0” at the end of main function.

What is the use of clrscr() in C?

What is Clrscr () in C? clrscr () function clears the screen and moves the cursor to the upper-left-hand corner of the screen. It is defined in conio.h header file. This function is optional. If the function is to be used, then place it after variable and function declaration only.

What is the difference between getch() and clrscr()?

The last getch () has been used to view the output. clrscr () function is also a non-standard function defined in “conio.h” header. This function is used to clear the console screen. It is often used at the beginning of the program (mostly after variable declaration but not necessarily) so that the console is clear for our output.

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How to solve errorerror clrscr?

Error clrscr should have a prototype. How to solve it? First check that you have included conio.h header file in your program. If your operating system is other than windows this header file is not supported. Check for the compiler documentation regarding the presence of conio.h header file.