49 	e->name = xstrdup(name);  in env_add()
50 	e->value = xstrdup(value);  in env_add()
74 			return xstrdup(e->value);  in env_expand()
87 	return xstrdup(value);  in env_expand()
117 	return xstrdup("");  in do_error_if()
122 	return xstrdup(current_file->name);  in do_filename()
129 	return xstrdup("");  in do_info()
138 	return xstrdup(buf);  in do_lineno()
178 	return xstrdup(buf);  in do_shell()
187 	return xstrdup("");  in do_warning_if()
272 		res = xstrdup(v->value);  in variable_expand()
301 		v->name = xstrdup(name);  in variable_add()
311 		new_value = xstrdup(value);  in variable_add()
364 		res = xstrdup(argv[n - 1]);  in eval_clause()
430 	res = xstrdup("");  in eval_clause()
466 		return xstrdup("$");  in expand_dollar_with_args()