#include <libunwind.h>
  #include <stdlib.h>
  
  extern int
  UNW_OBJ(dwarf_find_debug_frame) (int found, unw_dyn_info_t *di_debug,
  				 unw_word_t ip, unw_word_t segbase,
  				 const char *obj_name, unw_word_t start,
  				 unw_word_t end);
  
  #define dwarf_find_debug_frame UNW_OBJ(dwarf_find_debug_frame)
  
  int main(void)
  {
  	dwarf_find_debug_frame(0, NULL, 0, 0, NULL, 0, 0);
  	return 0;
  }