Functions and macros

• Buffer name
  
  • (buffer-name &optional BUFFER)
  • (buffer-file-name &optional BUFFER)
• Buffer content
  
  • (buffer-string)
  • (buffer-substring START END)
  • (buffer-substring-no-properties START END)
• Current buffer
  
  • (current-buffer)
  • (with-current-buffer BUFFER-OR-NAME &rest BODY)
• Get or create buffer object
  
  • (get-buffer NAME)
  • (get-buffer-create NAME)