Function with C calling convention but D mangling

[Benjamin Thaut]

Doing lots of C interfacing lately I wonder if there is a way to create 
a D function with C calling convention but D mangeling. I need this to 
place C callbacks onto functions inside D templates. Putting extern(C) 
before it does not work in this case. As extern(C) will also enforce C 
mangling I get lots of duplicate symbol errors from the linker. I know 
that I can work around this using mixin(string) but I wonder if there is 
a other solution to the problem.

Kind Regards
Benjamin Thaut