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#include <bits/wordsize.h> #if __WORDSIZE == 64 # define __PTHREAD_MUTEX_KIND_OFFSET 16 #else # define __PTHREAD_MUTEX_KIND_OFFSET 12 #endif #if __WORDSIZE == 64 # define __PTHREAD_RWLOCK_FLAGS_OFFSET 48 #else # define __PTHREAD_RWLOCK_FLAGS_OFFSET 27 #endif