IPLOFF
#define BOOTSIZE (IPLOFF + IPLSIZE)
#define SUMOFF ((IPLOFF + 4) / sizeof(uint32_t))
if ((len = fread(bootblk, 1, sizeof bootblk, fp)) <= IPLOFF) {
if (iploff != IPLOFF || iplsumsize <= 0 || iplsumsize % 2048 ||
for (p = bootblk + IPLOFF / sizeof(uint32_t);
p < bootblk + (IPLOFF + IPL1SIZE) / sizeof(uint32_t); p++)
bootblk + (IPLOFF + IPL1SIZE) / sizeof(uint32_t),
bootblk + (IPLOFF + IPL1SIZE + IPL2SIZE) / sizeof(uint32_t),