On Monday 2008-12-29 02:35, Eric Liang wrote: > > It looks like that the file<memory> includes the >file<c++/4.3/backward/auto_ptr.h>.But when I open the file<features.h> >which is included in file<memory>,there is a mass of macros and files in >it.It's too difficult for me to continue the search... > > So here is the question:what the path is from memory.h to >auto_ptr.h? or what can I do to find it? echo '#include <memory>' | g++ -E - and watch the #line lines as they essentially form a tree.