dem - demangle a C++ name
dem C++_name ...
dem demangles one or more C++ names that you specify. For each C++ mangled name, dem prints a demangled name which closely resembles the name that you originally declare. dem uses the following format:
mangled_name == demangled name
dem demangles names for the entire series of 5.x Studio C++ compiler versions, as well as names from Gnu g++ 3.x and 4.x.
To find out the demangled name for __0FGprintfv, __ct__1XFv, and __0fDiosEsetfl, execute the following command:
% dem __0FGprintfv __ct__1XFv __0fDiosEsetfl
The output is:
__0FGprintfv == printf(void) __ct__1XFv == X::X(void) __0fDiosEsetfl == ios::setf(long)