type = psi_decl_type_init(member->type_tag, member->type_name);
dvar = psi_decl_var_init(member->var_name, member->pointer_level, member->array_size);
darg = psi_decl_arg_init(type, dvar);
type = psi_decl_type_init(member->type_tag, member->type_name);
dvar = psi_decl_var_init(member->var_name, member->pointer_level, member->array_size);
darg = psi_decl_arg_init(type, dvar);