    failure_stack_ptr  325 libglibc/regex.c   r_alloc (&failure_stack_ptr, (size))
    failure_stack_ptr  327 libglibc/regex.c   r_re_alloc (&failure_stack_ptr, (nsize))
    failure_stack_ptr  329 libglibc/regex.c   r_alloc_free (&failure_stack_ptr)
    failure_stack_ptr 3216 libglibc/regex.c   fail_stack_elt_t *failure_stack_ptr;
    failure_stack_ptr 3917 libglibc/regex.c   fail_stack_elt_t *failure_stack_ptr;