RB_IO_WAIT_WRITABLE 1791 include/ruby/ruby.h enum rb_io_wait_readwrite {RB_IO_WAIT_READABLE, RB_IO_WAIT_WRITABLE};
RB_IO_WAIT_WRITABLE 1793 include/ruby/ruby.h #define RB_IO_WAIT_WRITABLE RB_IO_WAIT_WRITABLE