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<html>
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<body>
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<pre>
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NAME
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       inet_aton, inet_addr, inet_ntoa -  Internet  address
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       manipulation routines
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SYNOPSIS
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       #include &lt;network.h&gt;
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       int inet_aton(const char *cp, struct in_addr *inp);
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       unsigned long int inet_addr(const char *cp);
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       char *inet_ntoa(struct in_addr in);
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DESCRIPTION
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       inet_aton() converts the Internet host address cp from the
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       standard numbers-and-dots notation into  binary  data  and
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       stores  it  in the structure that inp points to. inet_aton
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       returns nonzero if the address is valid, zero if not.
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       The  inet_addr()  function  converts  the  Internet   host
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       address cp from numbers-and-dots notation into binary data
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       in  network  byte  order.   If  the  input   is   invalid,
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       INADDR_NONE (usually -1) is returned.  This is an obsolete
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       interface to inet_aton, described immediately above; it is
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       obsolete  because -1 is a valid address (255.255.255.255),
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       and inet_aton provides a cleaner  way  to  indicate  error
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       return.
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       The   inet_ntoa()  function  converts  the  Internet  host
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       address in given in network byte  order  to  a  string  in
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       standard   numbers-and-dots   notation.    The  string  is
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       returned in a statically allocated  buffer,  which  subse­
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       quent calls will overwrite.
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</pre>
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</body>
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</html>

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