The platform-specific function getch from conio.h has two special features: No echoing of characters. Unbuffered reading of characters. The echoing is done by the terminal outside of the C/C environment. It can only be controlled by manipulating the terminal. Also, it is nearly impossible to get unbuffered I/O with the iostream.h header. First of all, Dev C is not a compiler, it's an IDE that interfaces with a compiler (most presumably GCC/MingW in your case). The compiler suite is the one having the header files, not the IDE. #include instead of. #include h and also add using namespace std; to execute cout and cin in Dev C program. C free download. Lib CONIO (conioam.h) GCC C New version 6.1 in 2018.06.21. This project presents clone of the Borland Turbo C/C or Embarcader.
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.
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int main()
{
printf('Waiting for a character to be pressed from the keyboard to exit.n');
getch();
return0;
} Little snitch 4.2 tnt.
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.
int main()
{
cout <<'Enter a character';
getch();
}
Function getch works in Dev C++ compiler but it doesn't support all functions of 'conio.h' as Turbo C compiler does.
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.