MIPS_NVOLDIR
struct mips_voldir vh_voldir[MIPS_NVOLDIR];
for (i=0, vdp=vh.vh_voldir; i<MIPS_NVOLDIR; i++, vdp++)
for (i=0; i<MIPS_NVOLDIR; i++, vdp++) {
for (i=0; i<MIPS_NVOLDIR; i++, vdp++)