[SAL]
* Add _Ret_opt_ and _Ret_opt_valid_ annotations.

git-svn-id: svn://svn.reactos.org/reactos/trunk@59742 97493ccd-5924-5043-b1f5-66cb403b36ce
[PSDK]
* Annotate ws2tcpip.h.

git-svn-id: svn://svn.reactos.org/reactos/trunk@59743 97493ccd-5924-5043-b1f5-66cb403b36ce
[SAL]
* Add _Inout_updates_to_() annotation.

git-svn-id: svn://svn.reactos.org/reactos/trunk@59744 97493ccd-5924-5043-b1f5-66cb403b36ce
[PSDK]
* Annotate winsock.h.

git-svn-id: svn://svn.reactos.org/reactos/trunk@59745 97493ccd-5924-5043-b1f5-66cb403b36ce
[SAL]
* Add _Post_null_ annotation.

git-svn-id: svn://svn.reactos.org/reactos/trunk@59747 97493ccd-5924-5043-b1f5-66cb403b36ce
[PSDK]
* Annotate shellapi.h.

git-svn-id: svn://svn.reactos.org/reactos/trunk@59748 97493ccd-5924-5043-b1f5-66cb403b36ce