#pragma once

#include <stdint.h>
#include <stdlib.h>

int is_bit_set(void *set, size_t n);
void set_bit(void *set, size_t n);
void clear_bit(void *set, size_t n);
size_t next_set_bit(void *set, size_t len);
size_t next_clear_bit(void *set, size_t len);