Merge branch 'scriptreplay/add-interactive-playback/2999' of https://github.com/jNull...

Merge branch 'scriptreplay/add-interactive-playback/2999' of https://github.com/jNullj/util-linux

* 'scriptreplay/add-interactive-playback/2999' of https://github.com/jNullj/util-linux:
  format: fix switch case indent
  fix clang compile
  replace fgetwc with fgetc
  format: fix comments and if braces format
  format: CamelCase to SnakeCase
  Refactor convoluted switch case into if else
  fix formatting and add mising break
  Add missing author
  Add interactive playback docs
  Add right arrow key to step forward in playback
  Remove uneeded veriable
  Add support for adjusting replay speed with arrow keys
  Refactor to handle responsive input
  Add pause functionality to replay
  Refactor delay_for function signature to use const struct timeval
  Set stdin to nonblock