_pthread_mutex_destroy
_pthread_mutex_destroy(&dirp->dd_lock);
#define pthread_mutex_destroy _pthread_mutex_destroy
#define _MUTEX_DESTROY(x) if (__isthreaded) _pthread_mutex_destroy(x)
#define SYSV_MUTEX_DESTROY(x) if (__isthreaded) _pthread_mutex_destroy(x)
#define SYSV_MUTEX_DESTROY(x) if (__isthreaded) _pthread_mutex_destroy(x)
#define SYSV_MUTEX_DESTROY(x) if (__isthreaded) _pthread_mutex_destroy(x)
#define SYSV_MUTEX_DESTROY(x) if (__isthreaded) _pthread_mutex_destroy(x)
__strong_reference(_pthread_mutex_destroy, pthread_mutex_destroy);
_pthread_mutex_destroy(&prwlock->lock);
_pthread_mutex_destroy(&prwlock->lock);
_pthread_mutex_destroy(&prwlock->lock);