basetype_of
bt = basetype_of(e);
pf_str_name = space_to_uscore(basetype_of(e));
pf_str_name = space_to_uscore(basetype_of(f));
levels_of(e) == 0 && (strcmp(basetype_of(e), "void") == 0))
extern char *basetype_of(ENTRY *);