VRC2_EXGP_NPORTS
for (i = 0; i < VRC2_EXGP_NPORTS; i++)
for (i = 0; i < VRC2_EXGP_NPORTS; i++) {
#define CHECK_PORT(x) (0 <= (x) && (x) < VRC2_EXGP_NPORTS)
u_int32_t sc_intr_mode[VRC2_EXGP_NPORTS];
TAILQ_HEAD(, vrc4172gpio_intr_entry) sc_intr_head[VRC2_EXGP_NPORTS];