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extern int pthread_join (pthread_t __th, void **__thread_return);
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pthread_detach º¯ÊýÉùÃ÷ÈçÏ£º
/* Indicate that the thread TH is never to be joined with PTHREAD_JOIN.
The resources of TH will therefore be freed immediately when it terminates, instead
of waiting for another thread to perform PTHREAD_JOIN on it. */
extern int pthread_detach (pthread_t __th) __THROW;
***********************************************
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 find / -name pthread.h -print
 cd /usr/include
 grep -n 'pthread_join' ./pthread.h
 grep -n 'pthread


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