Nov 12, 2011 video to show how colored output screen can be obtained in dev c.this video can help beginners in the programming field. Sorry you don't need to add cstdlib Skip navigation. Aug 27, 2017 Please refrain from using clrscr. This is a non-standard function which ships with conio.h which is a part of TURBO C. If you really need to clear your screen, try: code#includeh #define CLRSCR system(“clear”); inline void foo C. Apr 13, 2020 How do I retain output window in Dev-C Home. Programming Forum. When I compile and run my program as a console project, a window flashes very briefly on the screen and disappears. The compile log says compilation was successful and execution terminated. How to I keep the window (my output window?) from disappearing?
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 library.
C programming code for getch
#include <stdio.h>#include <conio.h>
int main()
{
printf('Waiting for a character to be pressed from the keyboard to exit.n');
getch();
return0;
}
When you run this program, it exits only when you press a character. Try pressing num lock, shift key, etc. (program will not exit if you press these keys) as these are not characters.
Try running the program by removing getch. In this case, it will exit without waiting for a character hit from the keyboard.
How to use getch in C++
#include <iostream.h>#include <conio.h>
int main()
{
cout <<'Enter a character';
getch();
}
Using getch in Dev C++ compiler
Function getch works in Dev C++ compiler but it doesn't support all functions of 'conio.h' as Turbo C compiler does.
Function getchar in C
#include <stdio.h>int main()
{
int c;
c =getchar();
putchar(c);
return0;
}
A common use of getch is you can view the output (if any) of a program without having to open the output window if you are using Turbo C compiler or if you are not running your program from the command prompt.
Dev-C++ v 4.9.9.2 IDE
When I compile and run my program as a console project, a window flashes very briefly on the screen and disappears. The compile log says compilation was successful and execution terminated.
How to I keep the window (my output window?) from disappearing?
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Ancient Dragon5,243
How To Hold The Output Screen In Dev C++
You have to add a line just before the end of main() to stop the program from closing. Most people call getch() or c++ cin.get(), which is just waiting for keyboard entry.