-extern SHELL_VAR *assign_array_from_string __P((char *, char *));
-extern SHELL_VAR *assign_array_var_from_word_list __P((SHELL_VAR *, WORD_LIST *));
-extern SHELL_VAR *assign_array_var_from_string __P((SHELL_VAR *, char *));
+extern SHELL_VAR *assign_array_from_string __P((char *, char *, int));
+extern SHELL_VAR *assign_array_var_from_word_list __P((SHELL_VAR *, WORD_LIST *, int));
+extern SHELL_VAR *assign_array_var_from_string __P((SHELL_VAR *, char *, int));