Thanks for this useful gem!

When porting TkClient.pl to run on 64 bit perl, i had to change these two constructs 
    ioctl($sock, FIONBIO, unpack("I",pack('P',$nonblocking))) == 0 or 
+die "ioctlsocket(\$sock, FIONBIO,...):$!" ; 
...
        ioctl($hand, FIONREAD, unpack('I',pack('P',$numbytes))) == 0 o
+r die "ioctlsocket(\$hand, FIONREAD,...):$!" ;

[download]
to 
    ioctl($sock, FIONBIO, unpack("Q",pack('P',$nonblocking))) == 0 or 
+die "ioctlsocket(\$sock, FIONBIO,...):$!" ; 
...
        ioctl($hand, FIONREAD, unpack('Q',pack('P',$numbytes))) == 0 o
+r die "ioctlsocket(\$hand, FIONREAD,...):$!" ;

[download]
since the size of integer (4 bytes) was too small to hold the address from the pointer on Strawberry Perl 5.38.0 64 bit.

In reply to Re: Another Win32 Tk fileevent work around : using ioctl() properly by hexcoder
in thread Another Win32 Tk fileevent work around : using ioctl() properly by bitshiftleft

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