Viewing Decorated Names 

You can get the decorated form of a function name after you compile the source file that contains the function definition or prototype. To examine decorated names in your program, you can do one of the following:

You can use the undname.exe to convert a decorated name to its undecorated form. For example,

C:\>undname ?func1@a@@AAEXH@Z
Microsoft (R) C++ Name Undecorator
Copyright (C) Microsoft Corporation 1981-2000. All rights reserved.Undecoration
of :- "?func1@a@@AAEXH@Z"
is :- "private: void __thiscall a::func1(int)"

See Also

Reference

Decorated Names