[x]

[..]
  1. x11_available
  2. x_basename
  3. x_error_handler
  4. x_io_error_handler
  5. xmouse_get_event
  6. xor
  7. xstrtoumax
  8. xtra_key_define_t
  9. xx_lowerize_line
  10. xx_strchr
  11. xx_tolower
[..]