/* Round 'v' up to the next 'alignment'-byte aligned boundary. 'alignment' must
* be a power of 2. */
+#undef ALIGN /* NetBSD <sys/param.h> defines this already */
#define ALIGN(v, alignment) (((v) + ((alignment) - 1)) & ~((alignment) - 1))
/* Maximum number of bytes that can be allocated on the stack.