/*
        ATOX.C  --- a demonstration of the C functions
                    'atoi', 'atol', and 'atof'.
        Ray Duncan, October 1987
*/

#include <stdio.h>
#include <stdlib.h>
                
main(int argc,char *argv[])
{   char buff[80];              /* keyboard input buffer */
    int ivar;                   /* an integer variable */
    long lvar;                  /* a long integer variable */
    double xvar;                /* a floating point variable */

    while(1)
    {                           /* display prompt */
       printf("\nEnter a number (Q to quit):  ");

       gets(buff);              /* read string from keyboard */
        
                                /* exit if 'Q' or 'q' entered */
       if( buff[0] == 'Q' || buff[0] == 'q') break;     

                                /* convert in various ways */
       ivar=atoi(buff);         /* string to int */
       lvar=atol(buff);         /* string to long int */
       xvar=atof(buff);         /* string to double prec. real */

                                /* now display results */
       printf("\n\t atoi(your entry) = %d ", ivar);
       printf("\n\t atol(your entry) = %ld ", lvar);
       printf("\n\t atof(your entry) = %e \n", xvar);
    }
}