#include <stdio.h>

int main(void)
{
   int nmbr = 0;
   int largest = 0;
   int smallest = 100000000;

        while (nmbr != -5)  // while nmbr isn't -5
        {
            // perform checks at the beginning, this way "-5" won't
            // overwrite the smallest
            if (nmbr > largest)
            largest = nmbr;
            if (nmbr < smallest)
             smallest = nmbr;

          printf("Enter a number (enter -5 to end). \n");
          scanf("%d", &nmbr); // %d is an integer

        }
          printf("smallest value %d \n", smallest);
          printf("largest value %d \n", largest);
}

#include <stdio.h>

int main(void)
{
   int nmbr;
   int largest;
   int smallest;

        while (true)  // while nmbr isn't -5
        {
          printf("Enter a number (enter -5 to end). \n");
          scanf("%d", &nmbr); // %d is an integer
          if (nmbr == -5)
            break;
            if (nmbr > largest)
            largest = nmbr;
            if (nmbr < smallest)
             smallest = nmbr;

        }
          printf("smallest value %d \n", smallest);
          printf("largest value %d \n", largest);
}