#include   <stdlib.h>
#include <stdio.h>
int main ( int argc, char *argv[] )
{
    float a, c;
    int b;
    b = 200 * 300 * 400 * 500;
    a = (3.14 + 1e20) - 1e20;
    printf ( "the b is %d\n", b );
    printf ( "the a is %f\n", a );
    c = 3.14 + (1e20 - 1e20);
    printf ( "the c is %f\n", c );
    return EXIT_SUCCESS;
}              /* ----------  end of function main  ---------- */

#!/usr/bin/perl
for ($i = 0; $i < @ARGV; $i++) {
    printf("%d\t = 0x%x\n", $ARGV[$i], $ARGV[$i]);
}

#!/usr/bin/perl
for ($i = 0; $i < @ARGV; $i++) {
    $val = hex($ARGV[$i]);
    printf("0x%x\t = %d\n", $val, $val);
}