use warnings;

use Inline C => Config =>
    BUILD_NOISY => 1;

use Inline C => <<'EOC';

SV* wotisit(SV * arg) {
  if(SvPOK(arg)) return newSVpv("string", 0);
  if(SvIOK(arg) || SvNOK(arg) || SvUOK(arg))
     return newSVpv("number", 0);
  return newSVpv("something else", 0);
}

EOC
use Math::BigInt; # for testing
my $o = Math::BigInt->new(0);

for('1', '1.1', 1, 1.1, $o) {
   print wotisit($_), "\n";
}