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#include "stdio_impl.h" #include "lock.h" #include "fork_impl.h" static FILE *ofl_head; static volatile int ofl_lock[1]; volatile int *const __stdio_ofl_lockptr = ofl_lock; FILE **__ofl_lock() { LOCK(ofl_lock); return &ofl_head; } void __ofl_unlock() { UNLOCK(ofl_lock); }