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uniaddr (3)
  • >> uniaddr (3) ( FreeBSD man: Библиотечные вызовы )

  • BSD mandoc
     

    NAME

    
    
    unimsg
    
     
    uni_str2nsap
    
     
    uni_nsap2str
    
     
    uni_prefix2str
    
     
    uni_e1642nsap
    
     
    uni_nsap2e164
    
     - ATM signalling library - address handling
    
     
    

    LIBRARY

    Begemot ATM signalling library
    (libunimsg, -lunimsg)
    
     
    

    SYNOPSIS

       #include <netnatm/addr.h>
    int uni_str2nsap (u_char *nsap const char *str);
    void uni_nsap2str (char *str const u_char *nsap int dots);
    void uni_prefix2str (char *str const u_char *prefix u_int len int dots);
    int uni_e1642nsap (u_char *nsap const char *e164);
    int uni_nsap2e164 (char *e164 const u_char *nsap int check);
     

    DESCRIPTION

    The UNI message library contains a number of utility functions to handle NSAP and E.164 addresses.

    The function uni_str2nsap ();
    parses a string and interprets it as an NSAP address. The string should consist of exact 40 hexadecimal digits (upper and lower case are allowed) and any number of dots at any position. Any other character is illegal. The resulting NSAP address is written to the buffer pointed to by Fa nsap . This buffer should be at least 20 bytes. On success the funtion returns 0. If an parsing error happens -1 is returned.

    The function uni_nsap2str ();
    converts the NSAP address pointed to by Fa nsap into a string. For some commonly used NSAP formats (those with leading octets 0x39, 0x45 or 0x47) dots may be inserted to make the address more readable by passing a non-0 value in Fa dots . The buffer pointed to by Fa str should be large enough to hold the resulting string plus the terminating NUL. A size of 80 byte is large enough for all cases.

    The function uni_prefix2str ();
    converts an NSAP prefix to a string. The length of the NSAP prefix in bytes is passed in Fa len . uni_nsap2str(str, nsap, dots) is equivalent to uni_prefix2str(str, nsap, 20, dots)

    The function uni_e1642nsap ();
    converts an E.164 address given as an ASCII string to an embedded E.164 NSAP address. The string pointed to by Fa e164 must consist of at least 1 and not more than 15 ASCII digits. The function returns 0 on success and -1 if the E.164 address was malformed.

    The function uni_nsap2e164 ();
    extracts the E.164 address from an embedded E.164 NSAP address. The argument Fa check specifies whether the NSAP address should be checked for correct syntax. If Fa check is 0 the last 11 bytes of the address are ignored. If Fa check is 1 the last 11 bytes except the selector byte must be zero. If Fa check is 2 the last 11 bytes must be zero. The function returns 0 on success and -1 when the NSAP address was not an embedded E.164 NSAP or one of the additional checks failed.  

    SEE ALSO

    libngatm(3)  

    AUTHORS

    An Hartmut Brandt Aq harti@freebsd.org


     

    Index

    NAME
    LIBRARY
    SYNOPSIS
    DESCRIPTION
    SEE ALSO
    AUTHORS


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