#ifndef _ORC_ONCE_H_ #define _ORC_ONCE_H_ #include ORC_BEGIN_DECLS typedef struct _OrcMutex OrcMutex; typedef struct _OrcOnce OrcOnce; struct _OrcOnce { int inited; void *value; }; void orc_once_mutex_lock (void); void orc_once_mutex_unlock (void); ORC_END_DECLS #endif