1 #include "stdio_impl.h" 2 #include "lock.h" 3 4 static FILE *ofl_head; 5 static volatile int ofl_lock[1]; 6 __ofl_lock()7 FILE **__ofl_lock() 8 { 9 LOCK(ofl_lock); 10 return &ofl_head; 11 } 12 __ofl_unlock()13 void __ofl_unlock() 14 { 15 UNLOCK(ofl_lock); 16 } 17