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ipsec_setportof ()
  • >> ipsec_setportof (3) ( Разные man: Библиотечные вызовы )
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    NAME

    ipsec portof - get port field of an ip_address
    
    ipsec setportof - set port field of an ip_address
    ipsec sockaddrof - get pointer to internal sockaddr of an ip_address
    ipsec sockaddrlenof - get length of internal sockaddr of an ip_address  

    SYNOPSIS

    #include <freeswan.h>

    int portof(const ip_address *src);
    void setportof(int port, ip_address *dst);
    struct sockaddr *sockaddrof(ip_address *src);
    size_t sockaddrlenof(const ip_address *src);  

    DESCRIPTION

    The <freeswan.h> internal type ip_address contains one of the sockaddr types internally. Reliance on this feature is discouraged, but it may occasionally be necessary. These functions provide low-level tools for this purpose.

    Portof and setportof respectively read and write the port-number field of the internal sockaddr. The values are in network byte order.

    Sockaddrof returns a pointer to the internal sockaddr, for passing to other functions.

    Sockaddrlenof reports the size of the internal sockaddr, for use in storage allocation.  

    SEE ALSO

    inet(3), ipsec_initaddr(3)  

    DIAGNOSTICS

    Portof returns -1, sockaddrof returns NULL, and sockaddrlenof returns 0 if an unknown address family is found within the ip_address.  

    HISTORY

    Written for the FreeS/WAN project by Henry Spencer.  

    BUGS

    These functions all depend on low-level details of the ip_address type, which are in principle subject to change. Avoid using them unless really necessary.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    SEE ALSO
    DIAGNOSTICS
    HISTORY
    BUGS


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