#include <stdio.h>

typedef struct {
  int (*f)(void *);
  void *d;
  char s[16];
} LMEXFunctionStruct;

int f(void *user) { return 0; }

static LMEXFunctionStruct const a[] = {{f, (void *)(int)'a', "aa"}};

int main() {
  printf("ok\n");
  return a[0].f(a[0].d);
}