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ipsec_hostof ()
  • >> ipsec_hostof (3) ( Разные man: Библиотечные вызовы )
  •  

    NAME

    ipsec subnetof - given Internet address and subnet mask, return subnet number
    
    ipsec hostof - given Internet address and subnet mask, return host part
    ipsec broadcastof - given Internet address and subnet mask, return broadcast address  

    SYNOPSIS

    #include <freeswan.h>

    struct in_addr subnetof(struct in_addr addr,
      struct in_addr mask);
    struct in_addr hostof(struct in_addr addr,
      struct in_addr mask);
    struct in_addr broadcastof(struct in_addr addr,
      struct in_addr mask);  

    DESCRIPTION

    These functions are obsolete; see ipsec_networkof(3) for their replacements.

    Subnetof takes an Internet address and a subnet mask and returns the network part of the address (all in network byte order). Hostof similarly returns the host part, and broadcastof returns the broadcast address (all-1s convention) for the network.

    These functions are provided to hide the Internet bit-munging inside an API, in hopes of easing the eventual transition to IPv6.  

    SEE ALSO

    inet(3), ipsec_atosubnet(3)  

    HISTORY

    Written for the FreeS/WAN project by Henry Spencer.  

    BUGS

    Calling functions for this is more costly than doing it yourself.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    SEE ALSO
    HISTORY
    BUGS


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