extern __u32 sb_gpioin(void *sbh);
extern __u32 sb_gpiointpolarity(void *sbh, __u32 mask, __u32 val, __u8 prio);
extern __u32 sb_gpiointmask(void *sbh, __u32 mask, __u32 val, __u8 prio);
extern __u32 sb_gpioin(void *sbh);
extern __u32 sb_gpiointpolarity(void *sbh, __u32 mask, __u32 val, __u8 prio);
extern __u32 sb_gpiointmask(void *sbh, __u32 mask, __u32 val, __u8 prio);