__constant_htonl   15 include/uapi/linux/byteorder/big_endian.h #define __constant_htonl(x) ((__force __be32)(__u32)(x))
__constant_htonl   15 include/uapi/linux/byteorder/little_endian.h #define __constant_htonl(x) ((__force __be32)___constant_swab32((x)))