* PHP-5.5: (40 commits)
php_strerror in ext/sockets renamed in 5.5
Move macro back to .c file
Fix multicast.c not defining errno on Windows
Fix non-Windows build
send/recvmsg() support for Windows
Remove some pre-vista code
Revert "Payload of HOPLIMIT/TCLASS are 8-bit"
Ensure memory is initialized
Payload of HOPLIMIT/TCLASS are 8-bit
Fix buf in string -> int conv.
Build fixes; accept names for if_index
Refactoring: move stuff to new conversions.c
Support sticky IPV6_PKTINFO
Rename some functions for consistency
Destroy ancillary registry on shutdown
Move some multicast stuff to multicast.c
Fix mcast_ipv6_send test
Check return of fstat()
Fix build on Mac OS X
Register extra MSG_* constants
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