Undefined subroutine &main::num called at perl.pl line 6.

##</code><code>##

use warnings;
use strict;

use Inline 'C';

num(1);

__END__
__C__

#include <stdio.h>
#include <inttypes.h>

void num(uint8_t number){
    printf("%d\n", number);
}

##</code><code>##

void num(int number){
    number = (uint8_t)number;
    printf("%d\n", number);
}