#include <stdlib.h>
#include <inttypes.h>

uint64_t __rand48_step(unsigned short* xi, unsigned short* lc);
extern unsigned short __seed48[7];

long nrand48(unsigned short s[3]) {
  return __rand48_step(s, __seed48 + 3) >> 17;
}

long lrand48(void) {
  return nrand48(__seed48);
}