__be32_to_cpu 40 include/uapi/linux/byteorder/big_endian.h #define __be32_to_cpu(x) ((__force __u32)(__be32)(x)) __be32_to_cpu 40 include/uapi/linux/byteorder/little_endian.h #define __be32_to_cpu(x) __swab32((__force __u32)(__be32)(x))