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

/**
 * C-friendly wrapper over the `bell` function.
 */
double dahl_bellnumber__bell(int32_t n);

/**
 * C-friendly wrapper over the `lbell` function.
 */
double dahl_bellnumber__lbell(int32_t n);