get_state_hook
add_get_state_hook(&get_state_hook);
typedef void (get_state_hook)(int owner, const char *name, struct symbol *sym);
DECLARE_PTR_LIST(fn_list, get_state_hook *);
void add_get_state_hook(get_state_hook *fn)
get_state_hook **p = malloc(sizeof(get_state_hook *));
get_state_hook **fn;