rb_io_synchronized   76 ext/socket/init.c     rb_io_synchronized(fp);
rb_io_synchronized  139 include/ruby/io.h void rb_io_synchronized(rb_io_t*);
rb_io_synchronized 5726 io.c               rb_io_synchronized(fptr);
rb_io_synchronized 6025 io.c           	    rb_io_synchronized(RFILE(orig_stdout)->fptr);
rb_io_synchronized 6026 io.c           	    rb_io_synchronized(RFILE(orig_stderr)->fptr);
rb_io_synchronized 9621 io.c               rb_io_synchronized(fptr2);