# error "Always include <pthread.h> rather than <bits/uClibc_pthread.h>"
#endif
+#if defined _LIBC && ( defined IS_IN_libc || defined NOT_IN_libc )
extern int __pthread_mutex_init (pthread_mutex_t *__restrict __mutex,
__const pthread_mutexattr_t *__restrict
__mutex_attr) attribute_hidden;
extern int __pthread_mutex_trylock (pthread_mutex_t *__mutex) attribute_hidden;
extern int __pthread_mutex_lock (pthread_mutex_t *__mutex) attribute_hidden;
extern int __pthread_mutex_unlock (pthread_mutex_t *__mutex) attribute_hidden;
+#endif
#endif