81 #if !defined(bswap_32) || !defined(bswap_64)
82 #undef bswap_32
89 #define bswap_32(x) __builtin_bswap32(x)  macro
99 #undef bswap_32
101 #define bswap_32(x) _byteswap_ulong(x)  macro
108 #undef bswap_32
110 #define bswap_32(x) OSSwapInt32(x)  macro
116 #undef bswap_32
118 #define bswap_32(x) BSWAP_32(x)  macro
124 #undef bswap_32
126 #define bswap_32(x) bswap32(x)  macro
132 #undef bswap_32
134 #define bswap_32(x) swap32(x)  macro
142 #undef bswap_32
144 #define bswap_32(x) bswap32(x)  macro
150 #undef bswap_32
163 #define uint32_in_expected_order(x) (bswap_32(x))
184 STATIC_INLINE uint32_t Bswap32(uint32_t val) { return bswap_32(val); }  in Bswap32()