sscanf function is failing

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LEARN ABOUT OSX

pthread_join

PTHREAD_JOIN(3) 					   BSD Library Functions Manual 					   PTHREAD_JOIN(3)

NAME

     pthread_join -- wait for thread termination

SYNOPSIS

     #include <pthread.h>

     int
     pthread_join(pthread_t thread, void **value_ptr);

DESCRIPTION

     The pthread_join() function suspends execution of the calling thread until the target thread terminates, unless the target thread has already
     terminated.

     On return from a successful pthread_join() call with a non-NULL value_ptr argument, the value passed to pthread_exit() by the terminating
     thread is stored in the location referenced by value_ptr.	When a pthread_join() returns successfully, the target thread has been terminated.
     The results of multiple simultaneous calls to pthread_join(), specifying the same target thread, are undefined.  If the thread calling
     pthread_join() is cancelled, the target thread is not detached.

RETURN VALUES

     If successful,  the pthread_join() function will return zero.  Otherwise, an error number will be returned to indicate the error.

ERRORS

     pthread_join() will fail if:

     [EDEADLK]		A deadlock was detected or the value of thread specifies the calling thread.

     [EINVAL]		The implementation has detected that the value specified by thread does not refer to a joinable thread.

     [ESRCH]		No thread could be found corresponding to that specified by the given thread ID, thread.

SEE ALSO

     wait(2), pthread_create(3)

STANDARDS

     pthread_join() conforms to ISO/IEC 9945-1:1996 (``POSIX.1'').

BSD
								   April 4, 1996							       BSD

Programming