Add setfl/getfl
Add setfl/getfl

Access to functionality of fcntl(fd, F_GETFL) and fcntl(fd, F_SETFL, arg)

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