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net_aton

net_aton(3C)															      net_aton(3C)

NAME

       net_aton(), net_ntoa() - network station address string conversion routines

SYNOPSIS

DESCRIPTION

       and translate station addresses between hexadecimal, octal or decimal, and binary formats:

	      converts a hexadecimal, octal, or decimal address to a binary address.

	      converts a binary address to an
				  ASCII hexadecimal address.

       Both routines are provided in the standard C library and are loaded automatically during compilation.

   net_aton Parameters
       The following parameters are used by

	      dstr	Pointer to the binary address returned by the function.

	      sstr	Pointer to a null-terminated ASCII form of a station address (Ethernet or IEEE 802.3).	This address can be an octal, dec-
			imal, or hexadecimal number as used in the C language (in other words, a leading 0x or 0X implies hexadecimal; a leading 0
			implies octal; otherwise, the number is interpreted as decimal).

	      size	Length of the binary address to be returned in dstr.  The length is 6 for Ethernet/IEEE 802.3 addresses.

   net_ntoa Parameters
       converts a 48-bit binary station address to its ASCII hexadecimal equivalent.  The following parameters are used by

	      dstr	Pointer to the ASCII hexadecimal address returned by the function.  dstr is null-terminated and padded with leading zeroes
			if necessary.  dstr must be at least (2 x size + 3) bytes long to accommodate the size of the converted address.

	      sstr	Pointer to a station address in its binary form.

	      size	Length of sstr.

RETURN VALUE

       and return NULL if any error occurs.

EXAMPLES

	      #include <netio.h>
	      #define  destination_addr "0x00DD0002AD00"
		   ...
	      struct fis arg;
	      char str[16];
		   ...
	      (void) net_aton(arg.value.s, destination_addr, 6);
			    /* arg.value.s = "<48-bit binary value>"  */
	      (void) net_ntoa(str, arg.value.s, 6);
			    /* str = "0x00DD0002AD00" */

AUTHOR

       was developed by HP.

SEE ALSO

       thread_safety(5), lan(7).

																      net_aton(3C)