defined(__sun__) || \
defined(__APPLE__)
# include <inttypes.h>
-#elif defined(__linux__) || defined(__WIN32__) || defined(__MINGW32__)
+#elif defined(__linux__) || defined(__WIN32__) || defined(__MINGW32__) || defined(__OpenBSD__)
# include <stdint.h>
#endif
#endif
#ifdef __FreeBSD__
# include <sys/endian.h> /* htole32 and friends */
+#elif defined(__OpenBSD__)
+# include <endian.h>
#endif
#include <time.h>
# define uswap_64(x) _uswap_64(x, )
#endif
-#if __BYTE_ORDER == __LITTLE_ENDIAN
+#if defined(__OpenBSD__)
+#define cpu_to_le16(x) htole16(x)
+#define cpu_to_le32(x) htole32(x)
+#define cpu_to_le64(x) htole64(x)
+#define le16_to_cpu(x) letoh16(x)
+#define le32_to_cpu(x) letoh32(x)
+#define le64_to_cpu(x) letoh64(x)
+#define cpu_to_be16(x) htobe16(x)
+#define cpu_to_be32(x) htobe32(x)
+#define cpu_to_be64(x) htobe64(x)
+#define be16_to_cpu(x) betoh16(x)
+#define be32_to_cpu(x) betoh32(x)
+#define be64_to_cpu(x) betoh64(x)
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
# define cpu_to_le16(x) (x)
# define cpu_to_le32(x) (x)
# define cpu_to_le64(x) (x)