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join.ipaddresses(4)


NAME

  join.ipaddresses - Acceptable formats for string representations of IP
  addresses


DESCRIPTION

  A character string representation of an IP address, as used within JOIN, is
  written as one, two, three, or four numeric fields with a period (.),
  separating each field, and without interleaving whitespace.  Each field
  corresponds to an octet, and therefore can have a value in the range 0..255
  (decimal).  Each of the octets may be written as a decimal, octal, or
  hexadecimal number, and there is no requirement that each octet have the
  same radix. Octal values commence with a leading zero (0); hex values
  commence with either 0x or 0X.

  When an address is written with fewer than four octets, the missing bytes
  are interpolated according to the following scheme, which shows how they
  would have been written with all four octets present:

  aaa.bbb.ddd	   aaa.bbb.0.ddd

  aaa.ddd	   aaa.0.0.ddd

  ddd		   0.0.0.ddd


EXAMPLES

  192.245.139.33
  0xc0.245.139.041
  192.33
  0x21


RELATED INFORMATION

  Functions: inet_addr(3)

  Information: dhcp(7)

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