inet_lnaof man page on SmartOS

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INET_ADDR(3XNET)					      INET_ADDR(3XNET)

NAME
       inet_addr,   inet_network,   inet_makeaddr,   inet_lnaof,   inet_netof,
       inet_ntoa - Internet address manipulation

SYNOPSIS
       cc [ flag ... ] file ... -lxnet [ library ... ]
       #include <arpa/inet.h>

       in_addr_t inet_addr(const char *cp);

       in_addr_t inet_lnaof(struct in_addr in);

       struct in_addr inet_makeaddr(in_addr_t net, in_addr_t lna);

       in_addr_t inet_netof(struct in_addr in);

       in_addr_t inet_network(const char *cp);

       char *inet_ntoa(struct in_addr in);

DESCRIPTION
       The inet_addr() function converts the string pointed to by cp,  in  the
       Internet standard dot notation, to an integer value suitable for use as
       an Internet address.

       The inet_lnaof() function takes an Internet host address	 specified  by
       in and extracts the local network address part, in host byte order.

       The  inet_makeaddr()  function takes the Internet network number speci‐
       fied by net and the local network address specified  by	lna,  both  in
       host byte order, and constructs an Internet address from them.

       The  inet_netof()  function takes an Internet host address specified by
       in and extracts the network number part, in host byte order.

       The inet_network() function converts the string pointed to  by  cp,  in
       the  Internet  standard	dot notation, to an integer value suitable for
       use as an Internet network number.

       The inet_ntoa() function converts the Internet host  address  specified
       by in to a string in the Internet standard dot notation.

       All  Internet  addresses	 are  returned in network order (bytes ordered
       from left to right).

       Values specified using dot notation take one of the following forms:

       a.b.c.d
		  When four parts are specified, each is interpreted as a byte
		  of  data and assigned, from left to right, to the four bytes
		  of an Internet address.

       a.b.c
		  When a three-part address is specified,  the	last  part  is
		  interpreted as a 16-bit quantity and placed in the rightmost
		  two bytes of the network address.  This makes the three-part
		  address  format  convenient  for  specifying Class B network
		  addresses as 128.net.host.

       a.b
		  When a two-part address is supplied, the last part is inter‐
		  preted  as  a	 24-bit	 quantity  and placed in the rightmost
		  three bytes of the network address. This makes the  two-part
		  address  format  convenient  for  specifying Class A network
		  addresses as net.host.

       a
		  When only one part is given, the value is stored directly in
		  the network address without any byte rearrangement.

       All numbers supplied as parts in dot notation may be decimal, octal, or
       hexadecimal, that is, a leading 0x or 0X implies hexadecimal, as speci‐
       fied  in the ISO C standard; otherwise, a leading 0 implies octal; oth‐
       erwise, the number is interpreted as decimal.

USAGE
       The return value of inet_ntoa() may point to static data	 that  may  be
       overwritten by subsequent calls to inet_ntoa().

RETURN VALUES
       Upon  successful	 completion, inet_addr() returns the Internet address.
       Otherwise, it returns (in_addr_t)(−1).

       Upon successful completion, inet_network() returns the converted Inter‐
       net network number. Otherwise, it returns (in_addr_t)(−1).

       The inet_makeaddr() function returns the constructed Internet address.

       The inet_lnaof() function returns the local network address part.

       The inet_netof() function returns the network number.

       The  inet_ntoa()	 function  returns a pointer to the network address in
       Internet-standard dot notation.

ERRORS
       No errors are defined.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌────────────────────┬─────────────────┐
       │  ATTRIBUTE TYPE    │ ATTRIBUTE VALUE │
       ├────────────────────┼─────────────────┤
       │Interface Stability │ Standard	      │
       ├────────────────────┼─────────────────┤
       │MT-Level	    │ MT-Safe	      │
       └────────────────────┴─────────────────┘

SEE ALSO
       endhostent(3XNET), endnetent(3XNET), attributes(5), standards(5)

				 Jun 10, 2002		      INET_ADDR(3XNET)
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