_PT_COND_MAGIC
cond->ptc_magic == _PT_COND_MAGIC);
cond->ptc_magic == _PT_COND_MAGIC);
cond->ptc_magic == _PT_COND_MAGIC);
cond->ptc_magic == _PT_COND_MAGIC);
cond->ptc_magic == _PT_COND_MAGIC);
cond->ptc_magic = _PT_COND_MAGIC;
#define _PTHREAD_COND_INITIALIZER { _PT_COND_MAGIC, \