Editing Berkeley sockets (section)

===BSD and POSIX sockets===
As the Berkeley socket API evolved and ultimately yielded the POSIX socket API,<ref>{{cite web|url=http://www.opengroup.org/onlinepubs/9699919799/functions/contents.html |title=— POSIX.1-2008 specification |publisher=Opengroup.org |access-date=2012-07-26}}</ref> certain functions were deprecated or removed and replaced by others. The POSIX API is also designed to be [[Reentrancy (computing)|reentrant]] and supports IPv6.

{|class="wikitable"
|-
!Action
!BSD
!POSIX
|-
|Conversion from text address to packed address
|inet_aton
|inet_pton
|-
|Conversion from packed address to text address
|inet_ntoa
|inet_ntop
|-
|Forward lookup for host name/service
|gethostbyname, gethostbyaddr, getservbyname, getservbyport
|[[getaddrinfo]]
|-
|Reverse lookup for host name/service
|gethostbyaddr, getservbyport
|[[getnameinfo]]
|}