No effect; the command does nothing. A zero exit code is returned.
$END
-/* Do nothing. This command is a no-op. */
+$BUILTIN true
+$DOCNAME true_builtin
+$FUNCTION colon_builtin
+$SHORT_DOC true
+Return a successful result.
+$END
+
+$BUILTIN false
+$DOCNAME false_builtin
+$FUNCTION false_builtin
+$SHORT_DOC false
+Return an unsuccessful result.
+$END
+
+/* Return a successful result. */
int
colon_builtin (ignore)
char *ignore;
{
return (0);
}
+
+/* Return an unsuccessful result. */
+int
+false_builtin (ignore)
+ char *ignore;
+{
+ return (1);
+}