diff --git a/configure b/configure
index a9de77b..881b40f 100755
--- a/configure
+++ b/configure
@@ -447,9 +447,21 @@ elif [ ${HAVE_MACHINE_ENDIAN} -eq 1 ]; then
 	cat <<__HEREDOC__
 #include <machine/endian.h>
 #include <libkern/OSByteOrder.h>
-#define htobe16(x) OSSwapHostToBigInt16(x)
-#define htobe32(x) OSSwapHostToBigInt32(x)
-#define htobe64(x) OSSwapHostToBigInt64(x)
+
+# define htobe16(x) OSSwapHostToBigInt16(x)
+# define htole16(x) OSSwapHostToLittleInt16(x)
+# define be16toh(x) OSSwapBigToHostInt16(x)
+# define le16toh(x) OSSwapLittleToHostInt16(x)
+
+# define htobe32(x) OSSwapHostToBigInt32(x)
+# define htole32(x) OSSwapHostToLittleInt32(x)
+# define be32toh(x) OSSwapBigToHostInt32(x)
+# define le32toh(x) OSSwapLittleToHostInt32(x)
+
+# define htobe64(x) OSSwapHostToBigInt64(x)
+# define htole64(x) OSSwapHostToLittleInt64(x)
+# define be64toh(x) OSSwapBigToHostInt64(x)
+# define le64toh(x) OSSwapLittleToHostInt64(x)
 __HEREDOC__
 fi