What tool can decompile a DLL into C source code

Question

I have an old DLL that stopped working  log2vis dll  and I want to look inside it to see what objects it uses  The DLL was written in C    not  NET   Is there a tool that will decompile disassemble C   files

User · Answer

There are no decompilers which I know about  W32dasm is good Win32 disassembler

User · Answer

The closest you will ever get to doing such thing is a dissasembler  or debug info  Log2Vis pdb

User · Answer

I think a C   DLL is a machine code file  Therefore decompiling will only result in assembler code  If you can read that and create C   from that you re good to go

User · Answer

There really isn t any way of doing this as most of the useful information is discarded in the compilation process  However  you may want to take a look at this  site to see if you can find some way of extracting something from the DLL

User · Answer

This might be impossible or at least very hard  The DLL s contents don t depend  a lot  on it being written in C    it s all machine code  That code might have been optimized so a lot of information that was present in the original source code is simply gone   That said  here is one article that goes through a lot of material about doing this

User · Answer

Hex-Rays decompiler is probably the best in this field

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