pthread_mutexattr_init  683 src/dps8/dps8_disk.c         pthread_mutexattr_init (& scu_attr);
pthread_mutexattr_init  997 src/dps8/threadz.c     pthread_mutexattr_init(&scu_attr);
pthread_mutexattr_init 1006 src/dps8/threadz.c     pthread_mutexattr_init(& iom_attr);
pthread_mutexattr_init 1012 src/dps8/threadz.c     pthread_mutexattr_init(& libuv_attr);