def symbols_have_underscore_prefix(self, env: 'Environment') -> bool:
        '''
        Check if the compiler prefixes an underscore to global C symbols.

        This overrides the Clike method, as for MSVC checking the
        underscore prefix based on the compiler define never works,
        so do not even try.
        '''
        # Try to consult a hardcoded list of cases we know
        # absolutely have an underscore prefix
        result = self._symbols_have_underscore_prefix_list(env)
        if result is not None:
            return result

        # As a last resort, try search in a compiled binary
        return self._symbols_have_underscore_prefix_searchbin(env)

        Check if the compiler prefixes an underscore to global C symbols.

        This overrides the Clike method, as for MSVC checking the
        underscore prefix based on the compiler define never works,
        so do not even try.
        
mesonbuild/compilers/mixins/visualstudio.py