c-subword-mode

c-subword-mode is a variable defined in `cc-cmds.el'.
Its value is

nil

• Automatically becomes buffer-local when set.
• This variable is an alias for `subword-mode'.
• This variable is obsolete since 24.3;
  use `subword-mode' instead.

Documentation:
Non-nil if Subword mode is enabled.
Use the command `subword-mode' to change this variable.