fptr (env, &local_var);
fptr (env->__jmpbuf, &local_var);
_longjmp_unwind (jmp_buf env, int val){#ifdef SHARED# define fptr __libc_pthread_functions.ptr___pthread_cleanup_upto#else# define fptr __pthread_cleanup_upto#endif  unsigned char local_var;  if (fptr != NULL)    fptr (env, &local_var);}