sb1
struct stat sb1, sb2;
if (fstat(fd1, &sb1) == -1) {
if (sb1.st_size != sb2.st_size)
if ((cp1 = mmap(NULL, sb1.st_size, PROT_READ, MAP_PRIVATE,
for (i = 0; i < sb1.st_size; i++)
munmap(cp1, sb1.st_size);
S = one + s * (sb1 + s * (sb2 + s * (sb3 + s * (sb4 +
S = one + s * (sb1 + s * (sb2 + s * (sb3 + s * (sb4 +