39 #  define htobe16(x) __bswap_16 (x)  argument
40 #  define htole16(x) __uint16_identity (x)  argument
41 #  define be16toh(x) __bswap_16 (x)  argument
42 #  define le16toh(x) __uint16_identity (x)  argument
44 #  define htobe32(x) __bswap_32 (x)  argument
45 #  define htole32(x) __uint32_identity (x)  argument
46 #  define be32toh(x) __bswap_32 (x)  argument
47 #  define le32toh(x) __uint32_identity (x)  argument
49 #  define htobe64(x) __bswap_64 (x)  argument
50 #  define htole64(x) __uint64_identity (x)  argument
51 #  define be64toh(x) __bswap_64 (x)  argument
52 #  define le64toh(x) __uint64_identity (x)  argument
55 #  define htobe16(x) __uint16_identity (x)  argument
56 #  define htole16(x) __bswap_16 (x)  argument
57 #  define be16toh(x) __uint16_identity (x)  argument
58 #  define le16toh(x) __bswap_16 (x)  argument
60 #  define htobe32(x) __uint32_identity (x)  argument
61 #  define htole32(x) __bswap_32 (x)  argument
62 #  define be32toh(x) __uint32_identity (x)  argument
63 #  define le32toh(x) __bswap_32 (x)  argument
65 #  define htobe64(x) __uint64_identity (x)  argument
66 #  define htole64(x) __bswap_64 (x)  argument
67 #  define be64toh(x) __uint64_identity (x)  argument
68 #  define le64toh(x) __bswap_64 (x)  argument