LONG_BIT
cl_t i = cl / LONG_BIT;
size_t bitmap_size = roundup2(bits, LONG_BIT) / (LONG_BIT / 8);
if (head % LONG_BIT == 0 &&
head += LONG_BIT;
cl_t i = cl / LONG_BIT;
unsigned long clearmask = ~(1UL << (cl % LONG_BIT));
cl_t i = cl / LONG_BIT;
unsigned long usedbit = 1UL << (cl % LONG_BIT);
#if LONG_BIT == 32
#if LONG_BIT >= 64
#if LONG_BIT >= 64
#if LONG_BIT != 32 && LONG_BIT != 64
#if LONG_BIT >= 64
#if LONG_BIT >= 64
#if LONG_BIT == 32
#elif LONG_BIT == 64
#if LONG_BIT == 64