/* Demonstration of atof(). */
#include<string.h>
#include <stdio.h>
#include <stdlib.h>

main()
{
     char buf[80];
     double d;

     while (1)
     {
         printf("\nEnter the string to convert (blank to exit): ");
         gets(buf);

         if ( strlen(buf) == 0 )
             break;

         d = atof( buf );

         printf("The converted value is %f.", d);
     }
     return(0);
}