LOCK_NB          3410 file.c         #  define LOCK_NB 4
LOCK_NB           366 include/ruby/win32.h #define LOCK_NB 4
LOCK_NB            16 missing/flock.c #  define LOCK_NB 4
LOCK_NB            85 missing/flock.c #  define LOCK_NB 4