#include <sysdep.h>
#include <tls.h>

--
#ifdef __UCLIBC_HAS_TLS__
MULTIPLE_THREADS_OFFSET offsetof (struct _pthread_descr_struct, p_multiple_threads) - sizeof (struct _pthread_descr_struct)
#else
MULTIPLE_THREADS_OFFSET offsetof (tcbhead_t, multiple_threads)
#endif