-struct lcmd_arg arg_alias[];
-struct lcmd_arg arg_cursormodes[];
-struct lcmd_arg arg_debug[];
-struct lcmd_arg arg_echo[];
-struct lcmd_arg arg_escape[];
-struct lcmd_arg arg_foreground[];
-struct lcmd_arg arg_label[];
-struct lcmd_arg arg_nline[];
-struct lcmd_arg arg_close[];
-struct lcmd_arg arg_select[];
-struct lcmd_arg arg_shell[];
-struct lcmd_arg arg_smooth[];
-struct lcmd_arg arg_source[];
-struct lcmd_arg arg_terse[];
-struct lcmd_arg arg_time[];
-struct lcmd_arg arg_unalias[];
-struct lcmd_arg arg_unset[];
-struct lcmd_arg arg_window[];
-struct lcmd_arg arg_write[];
+extern struct lcmd_arg arg_alias[];
+extern struct lcmd_arg arg_cursormodes[];
+extern struct lcmd_arg arg_debug[];
+extern struct lcmd_arg arg_echo[];
+extern struct lcmd_arg arg_escape[];
+extern struct lcmd_arg arg_foreground[];
+extern struct lcmd_arg arg_label[];
+extern struct lcmd_arg arg_nline[];
+extern struct lcmd_arg arg_close[];
+extern struct lcmd_arg arg_select[];
+extern struct lcmd_arg arg_shell[];
+extern struct lcmd_arg arg_smooth[];
+extern struct lcmd_arg arg_source[];
+extern struct lcmd_arg arg_terse[];
+extern struct lcmd_arg arg_time[];
+extern struct lcmd_arg arg_unalias[];
+extern struct lcmd_arg arg_unset[];
+extern struct lcmd_arg arg_window[];
+extern struct lcmd_arg arg_write[];