Thread: Safeguarding against non-numerical input

Originally Posted by Barney McGrew

Check the return value of scanf and handle the three cases appropriately.

How about this?

Code:

float num_check (int tester, float num_entd)
{
    
    while((num_entd>1000) || (num_entd<0) || tester=0)
      {
            printf("Please enter a valid weight between 0 and 1000 lbs\n");
            tester=scanf("%f", &num_entd);
      }
return num_entd;
}