#include <stdio.h>
#include <dlfcn.h>
#include <stdlib.h>

typedef void (*initfunc)(void);
typedef int (*guessfunc)(int);

int main(void) {
  void* handle;
  initfunc init;
  guessfunc guess;
  int num;
  char line[256];
  int result;

  handle = dlopen("./libguess.so", RTLD_NOW | RTLD_GLOBAL);
  
  if (!handle)
    return -1;

  init = (initfunc) dlsym(handle, "init");
  guess = (guessfunc) dlsym(handle, "guess");
  
  init();

  do {
    fgets(line, 255, stdin);
    num = atoi(line);

    result = guess(num);

    if (result == 0) 
      printf("Gotcha!\n");
    else if (result > 0)
      printf("Too high!\n");
    else if (result < 0)
      printf("Too low!\n");

  } while (result);

  return 0;
}