#ifndef THREAD_H # define THREAD_H #ifdef THREADSAFECLIENT #include typedef pthread_mutex_t _nast_mutex_t; #else typedef int _nast_mutex_t; #endif short thread_id(); int _nast_mutex_new(_nast_mutex_t *lock); void _nast_mutex_delete(_nast_mutex_t *lock); int _nast_mutex_lock(_nast_mutex_t *lock); int _nast_mutex_unlock(_nast_mutex_t *lock); #endif