- Clrscr and Getch in C - These are predefined functions in conio.h Header file, clrscr function in C are use for clear screen and getch function in C is use for get a character form keyboard.
- Hi, i was using qt for a long time, and now i must (i got new job) use wxWindows. I installed DevC, wxwindows devpack and wxwindows and i can build wx applications.
heyy friends.
i m a beginner in C++ and am currently workin wid a program.
i m a beginner in C++ and am currently workin wid a program.
just for clrscr(), i have to include the whole conio.h file in my program inorder to clear the screen.
so is there any alternative to clrscr()??
please throw some light on this topic. :)
so is there any alternative to clrscr()??
please throw some light on this topic. :)
Function getch in C program prompts a user to press a character. It doesn't show up on the screen. Its declaration is in 'conio.h' header file. The function is not a part of standard C.
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Lerner582
How To Declare Clrscr In Dev C Online
To my knowledge, there is no standard way to clear the screen in C/C++, because that's not the way the console was designed. If you want to clear the screen then you have to do it using some non-standard way. You can write your own function to do this or use a third party function like clrscr(). I'll be happy to learn along side you if I'm wrong.
The most fundamental of all concepts in C++ is the variable — a variable is like a small box. You can store things in the box for later use, particularly numbers. The concept of a variable is borrowed from mathematics. A statement such as
stores the value 1 in the variable x. From that point forward, the mathematician can use the variable x in place of the constant 1 — until he changes the value of x to something else.
Variables work the same way in C++. You can make the assignment
From that point forward in the execution of the program, the value of x is 1 until the program changes the value to something else. References to x are replaced by the value 1.
A mathematician might write something like the following:
Any reader who’s had algebra realizes right off that the mathematician has introduced the variables x and y. But C++ isn’t that smart. (Computers may be fast, but they’re stupid.)
![Clrscr Clrscr](/uploads/1/2/6/8/126896473/719816463.png)
You have to announce each variable to C++ before you can use it. You have to say something soothing like this:
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How To Declare Clrscr In Dev C File
These lines of code declare that a variable x exists, is of type int, and has the value 10; and that a variable y of type int also exists with the value 5. You can declare variables (almost) anywhere you want in your program — as long as you declare the variable before you use it.