obstack_init(&obst);
elist = NULL;
- env = obstack_alloc(&obst, sizeof(*env));
+ env = OALLOC(&obst, walk_env_t);
env->found_allocs = NULL;
env->dead_allocs = NULL;
env->callback = callback;
elist = env;
- env = obstack_alloc(&obst, sizeof(*env));
+ env = OALLOC(&obst, walk_env_t);
env->found_allocs = NULL;
env->dead_allocs = NULL;
env->callback = callback;