12. • #import <Foundation/Foundation.h>
int main(int argc, char** argv) {
NSAutoreleasePool* pool =
[[NSAutoreleasePool alloc] init];
// Objective-C code here
NSLog(@”Hello World!”);
[pool drain];
return 0;
}

17. • #include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "ppport.h"
XS(func) {
dXSARGS;
// code here
XSRETURN(0);
}
XS(boot_Foo) {
newXS("Foo::xs_function", func, __FILE__);
}

18. • package Foo;
use strict;
use XSLoader;
XSLoader::load __PACKAGE__, $VERSION;
1;

19. • use Foo;
Foo::xs_function();

20. • use inc::Module::Install;
# some basic descriptions here
use_ppport '3.19';
WriteAll;

26. • #include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "ppport.h"
// undefine Move macro, this is conflict to Mac OS X QuickDraw API.
#undef Move
#import <Foundation/Foundation.h>
XS(hello) {
dXSARGS;
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
NSLog(@"Hello!");
[pool drain];
XSRETURN(0);
}
XS(boot_Hello) {
newXS("Hello::hello", hello, __FILE__);
}

27. • #include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "ppport.h"

28. • #undef Move

29. • XS(function) {
dXSARGS;
// code here
XSRETURN(0);
}

30. • XS(function) {
dXSARGS;
// code here
ST(0) = some_sv;
XSRETURN(1);
}

31. • XS(function) {
dXSARGS;
// code here
ST(0) = some_sv;
ST(1) = some_sv2;
XSRETURN(2);
}

32. • XS(function) {
dXSARGS;
SV* sv_args1 = ST(0);
SV* sv_args2 = ST(1);
// code here
ST(0) = some_sv;
ST(1) = some_sv2;
XSRETURN(2);
}

33. • XS(function) {
dXSARGS;
if (items < 2) {
Perl_croak(aTHX_ "Usage: function($args1, $args2)");
}
SV* sv_args1 = ST(0);
SV* sv_args2 = ST(1);
// code here
ST(0) = some_sv;
ST(1) = some_sv2;
XSRETURN(2);
}

34. STRLEN len;
char* c = SvPV(sv, len);
NSString* str = [NSString stringWithUTF8String:c];
SV* sv = sv_2mortal(newSV(0));
sv_setpv(sv, [str UTF8String]);

35. NSNumber* n;
if (SvNOKp(sv)) {
n = [NSNumber numberWithDouble:(double)SvNVX(sv))];
}
else if (SvIOK_UV(sv)) {
n = [NSNumber numberWithDouble:(double)SvUV(sv))];
}
else if (SvIOKp(sv)) {
n = [NSNumber numberWithDouble:(double)SvIV(sv))];
}
SV* sv = sv_2mortal(newSVnv([n doubleValue]));

43. • use Cocoa::Growl ':all';
my $installed = growl_installed();
my $running = growl_running();

44. • use Cocoa::Growl ':all';
# register application
growl_register(
app => 'My growl script',
icon => '/path/to/icon.png',
# or 'http://urlto/icon'
notifications =>
[qw(Notification1 Notification2)],
);

45. • use Cocoa::Growl ':all';
# show growl notification
growl_notify(
name => 'Notification1',
title => 'Hello!',
description => 'Growl world!',
);

46. • use Cocoa::EventLoop;
use Cocoa::Growl ':all';
growl_register(
name => 'test script',
notifications => ['test notification'],
);
my $wait = 1;
growl_notify(
name => 'test notification',
title => 'Hello',
description => 'Growl World!',
on_click => sub {
warn 'click';
$wait = 0;
},
on_timeout => sub {
warn 'timeout';
$want = 0;
},
);
Cocoa::EventLoop->run_while(0.1) while unless $wait;

48. use AnyEvent;
use Cocoa::EventLoop;
# then all anyevent based api use
Cocoa::EventLoop!

49. • use AnyEvent;
use Cocoa::EventLoop;
use Cocoa::Growl;
my $cv = AE::cv;
growl_notify(
name => 'test notification',
title => 'Hello',
description => 'Growl World!',
on_click => sub {
warn ‘click’;
$cv->send;
},
on_timeout => sub {
warn ‘timeout’;
$cv->send;
},
);
$cv->recv;