What is wrong with this do while loop

[admin]

d is included as integer type. So why in line 70, d is marked as not defined.

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#include <stdio.h>
#include <cs50.h>

int entercents(void);
int count25(int b);
int remainingafter25(int b);
int count10(int b);
int remainingafter10(int b);
int count5(int b);
int remainingafter5(int b);
int count1(int b);

int main(void)
 {
  int b = entercents();
  printf("result is %i\n", b);

  int c25 = count25(b);
  printf("count25 is%i", c25);

  int r25 = remainingafter25(b);
  printf("remaining after 25count is %i", r25);

  b = r25;

  int c10 = count10(b);
  printf("count10 is %i", c10);

  int r10 = remainingafter10(b);
  printf("remaining after 10count is %i", r10);

  b = r10;
  int c5 = count5(b);
  printf("count5 is %i", c5);

  int r5 = remainingafter5(b);
  printf("remaining after 5count is %i", r5);

  b = r5;
  int c1 = count1(b);
  printf("count1 is %i", c1);

  int totalcoins = c25 + c10 + c5 + c1;
  printf("totalcoins %i", totalcoins);

}

int entercents(void)

{
  do
   {
    int d = get_int("enter cents");
   }

  while (d < 0);
  return d;
}

int count25(int b) 
{
  int x = b / 25;
  return x;
}

int remainingafter25(int b) 
{
  int x = b % 25;
  return x;
}

int count10(int b)
{
  int x = b / 10;
  return x;
}

int remainingafter10(int b)
{
  int x = b % 10;
  return x;
}

int count5(int b) 
{
  int x = b / 5;
  return x;
}

int remainingafter5(int b) 
{
  int x = b % 5;
  return x;
}

int count1(int b) 
{
  int x = b / 1;
  return x;
}

			

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