__be16_to_cpu
#define be16_to_cpu(x) (u16)__be16_to_cpu((u16)(x))
#define be16_to_cpup(x) (u16)__be16_to_cpu(*(const u16*)(x))
#define sbe16_to_cpu(x) (s16)__be16_to_cpu((s16)(x))
#define sbe16_to_cpup(x) (s16)__be16_to_cpu(*(s16*)(x))