*
* \param[in] x Value to check compile-time constantness of.
*
- * \return Boolean true if the given value is known to be a compile time constant, false otherwise.
+ * \return Boolean \c true if the given value is known to be a compile time constant, \c false otherwise.
*/
#define GCC_IS_COMPILE_CONST(x) __builtin_constant_p(x)
#else