#include <inttypes.h>
#include <sys/types.h>
+struct siphash {
+ uint64_t v0;
+ uint64_t v1;
+ uint64_t v2;
+ uint64_t v3;
+ uint64_t padding;
+ size_t inlen;
+};
+
+void siphash24_init(struct siphash *state, const uint8_t k[16]);
+void siphash24_compress(const void *in, size_t inlen, struct siphash *state);
+void siphash24_finalize(uint8_t out[8], struct siphash *state);
+
void siphash24(uint8_t out[8], const void *in, size_t inlen, const uint8_t k[16]);