TAU_DUMP_FUNC_NAMES - Dumps function names to disk
       C/C++:
       TAU_DUMP_FUNC_NAMES(void);
       This macro writes the names of active functions to a file named
       dump_functionnames_<node>.<context>.
       C/C++ :
       TAU_DUMP_FUNC_NAMES();
       TAU_DB_DUMP(3), TAU_DUMP_FUNC_VALS(3), TAU_DUMP_FUNC_VALS_INCR(3)
                                  08/31/2005