while statement error fool proof

The error occurs in the while loop at int getInt(void) I want to loop and ask the user to input a number, so like if they input 10 it would pass, but if they were to input 10abc it should loop and ask again and keep asking until a valid input is made. It should be foolproof so it will only pass with a number on its own and thats it. For some reason the printf statement inside the while loop infinitely loops and I'm not able to input a new value.

{#include <stdio.h>

void welcome(void);
int getInt(void);
double getDbl(void);
void prnTitle(void);
void prnFooter(double gTotal);
void pause(void);
double getDblLimited(double lowerLimit, double upperLimit);

// 1- comment out the main when submitting milestone one //2- Your final milestone one should run perfectly with the following tester program. //To comment out the main() delete the next two characters after the arrow

int main(void)
{
int iVal;
double dVal;
welcome();

// testing prnTitle()
printf("listing header and footer with grand total:n");
prnTitle();

printf("");

// Testing prnFooter()
prnFooter(1234.5678);
printf("listing header and footer without grand total:n");
prnTitle();
prnFooter(-1);


// Testing Pause() and clrKyb()
pause();


// Testing getInt()
printf("Enter an integer: ");
iVal = getInt();
printf("You entered: %dn", iVal);


// Testing Get Int Limited
printf("Enter an integer between 10 an 20: ");
iVal = getIntLimited(10, 20);
printf("Your entered %dn", iVal);


// Testing Get Double
printf("Enter a floating point number: ");
dVal = getDbl();
printf("You entered: %0.2lfn", dVal);


// Tesing Get Double Limited
printf("Enter a floating point number between 10.00 an 20.00: ");
dVal = getDblLimited(10.0, 20.0);
printf("You entered: %0.2lfn", dVal);



printf("End of tester program for milestone one!n");
return 0;
}

/* End Commenting out the main out*/

// implement your functions for milestone one down here: void welcome(void) { printf("---=== Grocery Inventory System ===---n");

}

void prnTitle(void)
{
printf("Row |SKU| Name t | Price |Taxed| Qty | Min |  Total  |Atn n");
printf("----+---+--------------------+--------+-----+-----+-----+------------+|---n");

}
void prnFooter(double gTotal)
{
printf("--------------------------------------------------------+-----------------n");
//float  gTotal = 1234.57;
if (gTotal > 0)
{
    printf("%12.21f", gTotal);
}
else 
{
    printf("");
}

}
void clrKyb(void)
{
char b;
while (b != 'n')
{
    scanf("%c", &b);
}

}
void pause(void)
{
printf("Press <Enter> to continue...");

clrKyb();

}
int getInt(void)
{
//printf("Enter an interger:");
int d;
char c;
scanf("%d%c", &d, &c);
while (c != 'n')
    {
        printf("Invalid integer, please try again");
        scanf("%d%c", &d, &c);
    }


    return d;
}


int getIntLimited(int lowerLimit, int upperLimit)
{
int a;
//printf("Enter an integer between %d and %d:", lowerLimit, upperLimit);
scanf("%d", &a);
while (a <= lowerLimit || a >= upperLimit)
{
    //  printf("Invalid value, %d < value < %d:", lowerLimit, upperLimit);
    scanf("%d", &a);
}
return a;
}
double getDbl(void)
{
double d;
char c;
//  printf("Enter a floating point number:");
scanf("%lf,%c", &d, &c);
while (c != 'n')
{

    printf("Invalid number, please try again ");
    scanf("%lf,%c", &d, &c);
}
return d;
}

double getDblLimited(double lowerLimit, double upperLimit)
{
double a;
printf("Enter a floating point number between %f and %f:", lowerLimit, upperLimit);
scanf("%lf", &a);
while (a <= lowerLimit || a >= upperLimit)
{
    printf("Invalid value, %f < value < %f:", lowerLimit, upperLimit);
    scanf("%lf", &a);

}
return a;
return 0;
}

---

tsk tsk jason. read the outline and look at the flowchart. you need to add the "clrKyb() ;" into the while loop.

also clear character is already a function included in stdio.h library.(this is literally in our textbook and online notes)

void clrkyb(void) 
{
    while( getchar() != 'n' );
} ;

int getInt(void) 
{    
    int d ;
    char c ;

    scanf( "%d%c", &d, &c );

    while( c != 'n' ) 
      {
        clrKyb();
        printf( "Invalid"...": " );
        scanf( "..." &.. );
      }
    return d ;
} ;

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