#if !random_h
#define random_h 1
+#include <stddef.h>
+
struct rng *rng_create (void);
void rng_destroy (struct rng *);
void rng_seed (struct rng *, const void *, size_t);
struct rng *pspp_rng (void);
+/* Return a `random' seed by using the real time clock */
+unsigned long random_seed(void);
+
+
#endif /* random.h */