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    Command:

    ipq_destroy_handle

    
    
    
    

    SYNOPSIS

           #include <linux/netfilter.h>
           #include <libipq.h>
    
           struct ipq_handle *ipq_create_handle(u_int32_t flags, u_int32_t  proto-
           col);
           int ipq_destroy_handle(struct ipq_handle *h);
    
    
    

    DESCRIPTION

           The  ipq_create_handle  function initialises libipq for an application,
           attempts to bind to the Netlink socket used by ip_queue, and returns an
           opaque  context  handle.   It should be the first libipq function to be
           called by an application.  The handle returned should be  used  in  all
           subsequent library calls which require a handle parameter.
    
           The  flags parameter is not currently used and should be set to zero by
           the application for forward compatibility.
    
           The protocol parameter is used to specify the protocol of  the  packets
           to  be queued.  Valid values are NFPROTO_IPV4 for IPv4 and NFPROTO_IPV6
           for IPv6. Currently, only one protocol may be queued at a  time  for  a
           handle.
    
           The   ipq_destroy_handle  function  frees  up  resources  allocated  by
           ipq_create_handle, and should be used when  the  handle  is  no  longer
           required by the application.
    
    
    

    RETURN VALUES

           On success, ipq_create_handle returns a pointer to a context handle.
           On failure, NULL is returned.
    
           On success, ipq_destroy_handle returns zero.
           On failure, -1 is returned.
    
    
    

    ERRORS

           On  failure,  a  descriptive  error  message  will be available via the
           ipq_errstr function.
    
    
    

    BUGS

           None known.
    
    
    

    AUTHOR

           James Morris <jmorris@intercode.com.au>
    
    
    

    COPYRIGHT

           Copyright (c) 2000-2001 Netfilter Core Team.
    
           Distributed under the GNU General Public License.
    
    
    

    SEE ALSO

           iptables(8), libipq(3).
    
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