thread_join
From cppreference.com
                    
                                        
                    
                    
                                                            
                    |   Defined in header  
<threads.h>
  | 
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|   int thrd_join( thrd_t thr, int *res ); 
 | 
(since C11) | |
Blocks the current thread until the thread identified by thr finishes execution.
The result code of the thread is put to the location pointed to by res.
[edit] Parameters
| thr | - | identifier of the thread to join | 
| res | - | location to put the result code to | 
[edit] Return value
thrd_success if successful, thrd_error otherwise.
[edit] See also
|    (C11) 
 | 
   detaches a thread   (function)  | 
|    (C11) 
 | 
   terminates the calling thread   (function)  |