both the forms, pthread_mutexattr_settype() and
pthread_mutexattr_setkind_np(), exist on z/OS.
p4raw-id: //depot/perl@19767
# endif
# ifdef OEMVS
# define pthread_addr_t void *
-# define pthread_mutexattr_settype(a,t) pthread_mutexattr_setkind_np(a,t)
# define pthread_create(t,a,s,d) pthread_create(t,&(a),s,d)
# define pthread_keycreate pthread_key_create
# endif