__pthread_st
static struct __pthread_st *pthread__main;
struct __pthread_st *self = pthread__self();
.rbto_node_offset = offsetof(struct __pthread_st, pt_alltree),
PTQ_ENTRY(__pthread_st) pt_deadq;
PTQ_ENTRY(__pthread_st) pt_allq;
PTQ_ENTRY(__pthread_st) pt_sleep;
*tlen = sizeof(struct __pthread_st)
_PTQ_HEAD(pthread_queue_struct_t, __pthread_st);
struct __pthread_st;
typedef struct __pthread_st *pthread_t;