ivec_dsp
struct ivec_dsp **scb;
struct ivec_dsp *scb_vec;
extern struct ivec_dsp idsptch;
scb_vec = (struct ivec_dsp *)(i + VAX_NBPG);
scb[i] = (struct ivec_dsp*)addr;
struct ivec_dsp *scb_nexvec[4][16]; /* Nexus interrupt vectors */
extern const struct ivec_dsp idsptch;
extern struct ivec_dsp *scb_vec;
struct ivec_dsp *ivec;
struct ivec_dsp tu_recv, tu_xmit;
struct ivec_dsp *dsp = &scb_vec[vecno / 4];
struct ivec_dsp *scb_vec;
struct ivec_dsp **ivec = (struct ivec_dsp **)avail_start;
struct ivec_dsp **old = (struct ivec_dsp **)KERNBASE;
scb_vec = (struct ivec_dsp *)(vavail + (scb_size * VAX_NBPG));
return avail_start + (1 + sizeof(struct ivec_dsp) / sizeof(void *))