flock              34 file.c         int flock(int, int);
flock            3427 file.c             int *op = data, ret = flock(op[0], op[1]);
flock              68 include/ruby/missing.h RUBY_EXTERN int flock(int, int);
flock             209 include/ruby/win32.h extern int    flock(int fd, int oper);