espstrategy
{ "ESP", espstrategy, espopen, espclose, espioctl },
int espstrategy(void *, int, daddr_t, size_t, void *, size_t *);
{ "esp", espstrategy, espopen, espclose, espioctl },
int espstrategy(void *, int, daddr_t, size_t, void *, size_t *);