while(ptr_s[x]){
                         /*check second element for numerical digit*/
   if((ptr_s[x] >= '0') && (ptr_s[x] <= '9'))
      x = x + 1;                  /* increment ptr to next element */

   else if(ptr_s[x] == '.'){/*check element for . ending program # */
           x = x + 1;                             /* increment ptr */
           /*must test next char for space or prog desc is invalid */
            if(ptr_s[x] != ' ')
           return 0;                /* program filename is invalid */

        break;                            /* break from while loop */
   }
   else
      return 0;             /* program description line is invalid */
   }                           /*end while numerical digit section */

-----------
if(temp == NULL || *temp < 33 || *temp > 126)
   return 0;
else
while(temp != NULL && *temp >= 32 && *temp <= 126)
      temp++;
if(temp == NULL || *temp != 10)
   return 0;
 return 1;
}