How to stop an infinite loop by means of any key? Please help.

Dear CProgramming.com administrator/s and members,

A greeting of peace.

I hope everyone is in good health upon reading this thread. Well, I have this code to "implement" an infinite loop:

Code:

---


#include<stdio.h>
int main(void){
    clrscr();
    do {
        printf(" C programming ");
    } while( getch() != 0 );
   
    return 0;

}

---

I want to stop this "possibly" infinite loop by means of pressing any key, but unfortunately, the string C programming will only keep on appearing if I keep on pressing any key, which is not I wanted. I want to stop the displaying of text if I press any key. On a tutorial, getch() function said:

gets character from console, no echoing.


I really don't know if getch() is the one right for the job. I hope someone could correct me what is the best thing to do.


Thank you very much and God bless everyone. :D

Warm regards,

Mark Squall

You cannot stop an infinite loop on a key press, in standard C, because there is no function to detect keystrokes. C doesn't actually care about keyboards. Keyboards are hardware specific. That means you need hardware (OS/compiler) specific functions if you want to do so.

You're looking for something like kbdhit, which again isn't a standard function.


Quzah.

Dear Sir,


Thank you for the information, I am really not totally familiar with majority of standard C functions, I really thought there's a function that can detect keystrokes. I just thought C has a similar function to those of VB6 TextBox procedure KeyPress(KeyAscii as Integer), hehehe.:D


Thanks a lot and more power to everyone.



Warm regards,


MarkSquall