工具：dumpbin.exe
依赖：link.exe, mspdb100.dll
命令：
dumpbin /headers E:\math.dll
结果：
Dump of file E:\math.dll
PE signature found
File Type: DLL
FILE HEADER VALUES
14C machine (x86) --------------------------------------------------------->>>> x86为32位，x64为64位
5 number of sections
3CD30F99 time date stamp Sat May 04 06:30:49 2002
0 file pointer to symbol table
0 number of symbols
E0 size of optional header
210E characteristics
Executable
Line numbers stripped
Symbols stripped
32 bit word machine
DLL