#include <sys/time.h>
#include <time.h>
+#define _forever \
+ for (;;)
+
#define _trace() do { \
struct timeval _tv; \
gettimeofday(&_tv, NULL); \
#define _not(type) ((type) ~ (type) 0)
#define _transient
+
+#define _label__(x) _label ## x
+#define _label_(y) _label__(y)
+#define _label _label_(__LINE__)
+
+#define _packed \
+ __attribute__((packed))