bswap_64 63 src/libsir/include/sir/platform_importc.h # if defined(__GLIBC__) && !defined(bswap_16) && !defined(bswap_32) && !defined(bswap_64) bswap_64 71 src/libsir/include/sir/platform_importc.h # elif defined(bswap_16) && defined(bswap_32) && defined(bswap_64) bswap_64 77 src/libsir/include/sir/platform_importc.h # define __builtin_bswap64(x) bswap_64(x)