Function bli_pool_init

pub unsafe extern "C" fn bli_pool_init(
    num_blocks: siz_t,
    block_ptrs_len: siz_t,
    block_size: siz_t,
    align_size: siz_t,
    offset_size: siz_t,
    malloc_fp: malloc_ft,
    free_fp: free_ft,
    pool: *mut pool_t,
)