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kbhit problem

coderire (10)
HI i wrote a program that terminates when the Crtl-C is pressed however it doesn't work.Can someone help me?
the following is my code

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#include <cstdlib>
#include <iostream>
#include <string.h>
#include <stdio.h>
#include <conio.h>
using namespace std;
int linen1 ;
int receive (int val )
{
    char cmd[100];
    FILE* fpipe ;
    char line [100];
    
    
    sprintf (cmd, "ousb pwm 1 %i", val );
    fpipe =popen (cmd, "r");
    pclose (fpipe );
    
    fpipe =popen ( "ousb -r adc 0" , "r" );
    fgets (line , sizeof(line) ,fpipe );
    pclose (fpipe);
    
    linen1 = atoi (line);
    cout<<linen1;
    return linen1;
}


int main(int argc, char *argv[])



{
    
    
   switch (argv[1][0]) 
   {
         
    
   case 'M' :
                  char line[100]; 
                  FILE* fpipe;     
                        fpipe =popen ("ousb pwm-freq 1 46 " , "r" );
                pclose (fpipe);
                fpipe = popen( "ousb pwm 1 50 " , "r");
                pclose (fpipe);
                fpipe =popen ("ousb -r adc 0" , "r");
                fgets (line , sizeof(line),fpipe);
                pclose (fpipe);
                
                int number,linen;
                
                linen = atoi(line);
                cout<<linen;
                number = atoi (argv[2]);
                
                
                   if (linen!= number)
                   {
                        if (linen > number )
                   
                   {    int decrement = 50;
                        for (;;)
                        {   
                            if (kbhit() && (getch() == 3))
                            {
                              return 0;
                              
                              
                            }
                            decrement--;
                            receive(decrement);
                            
                            
                        }
                        
                    }
                    
                    if (linen < number )
                   
                   {    int increment = 50;
                        for (;;)
                        {   
                            if (kbhit() && (getch() == 3))
                            {
                              return 0;
                              
                              
                            }
                            increment--;
                            receive(increment);
                            
                            
                        }
                        
                    }
                }
                
            }
                           
    return EXIT_SUCCESS;
}
Benjay (12)
ascii value for 'c' is 99 so check (getch() == 99) but kbhit is any key in keyboard
coderire (10)
its ctrl-c not C,please can someone help
coderire (10)
it works for ctrl-A (when getch() == 1 ) but not ctrl-c do not know why?
ToniAz (351)
Ctrl+C is ascii 3, did you try that?
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