Here is a list of all struct and union fields with links to the structures/unions they belong to:

### - w -

- wait_yield : rb_global_vm_lock_struct
- waiting : join_arg , rb_global_vm_lock_struct
- waiting_fd : rb_thread_struct
- warnings_flag : ScanEnv
- wbuf : rb_io_t
- wday : vtm , tmx_funcs
- wds : Bigint
- win : wgetch_arg , wgetstr_arg
- window : windata
- wnum0 : tmx_funcs
- wnum1 : tmx_funcs
- word_array : rb_transcoder
- word_array_length : rb_transcoder
- word_size : rb_transcoder
- wrap : cfunc_data , ptr_data
- wrap_struct_name : rb_data_type_struct
- write : select_args
- write_lock : rb_io_t
- writebuf : rb_transcoding
- writebuf_len : rb_transcoding
- writebuf_off : rb_transcoding
- writeconv : rb_io_t
- writeconv_asciicompat : rb_io_t
- writeconv_initialized : rb_io_t
- writeconv_pre_ecflags : rb_io_t
- writeconv_pre_ecopts : rb_io_t