Added Pfadvise and constant advise values. Untested.
Added Pfadvise and constant advise values. Untested.

ardje/luaposix,zevv/luaposix,luaposix/luaposix,jimmyharris/luaposix,ardje/luaposix,zevv/luaposix,jimmyharris/luaposix,snegovick/luaposix,rrthomas/luaposix,snegovick/luaposix,rrthomas/luaposix