2829 	char *fn, cmd[MAX_INPUT_LEN], *cmdend, *args, *exp = NULL;  in colon()
2927 		exp = expand_args(buf + 1);  in colon()
2928 		if (exp == NULL)  in colon()
2932 		retcode = system(exp);	// run the cmd  in colon()
2961 			fn = exp = expand_args(args);  in colon()
2962 			if (exp == NULL)  in colon()
3001 			exp = expand_args(args);  in colon()
3002 			if (exp == NULL)  in colon()
3004 			update_filename(exp);  in colon()
3088 			fn = exp = expand_args(args);  in colon()
3089 			if (exp == NULL)  in colon()
3328 			exp = expand_args(args);  in colon()
3329 			if (exp == NULL)  in colon()
3331 			if (!useforce && (fn == NULL || strcmp(fn, exp) != 0) &&  in colon()
3332 					stat(exp, &statbuf) == 0) {  in colon()
3336 			fn = exp;  in colon()
3411 	free(exp);  in colon()