Emacs: some keys in C mode

C-M-a : go to the beginning of the function
C-M-d : go to the end of the function
C-M-p :
C-M-n : { }
C-M-f :
C-M-b : ( )
C-M-u : go to the parent level
C-M-\ : indenting selected region
C-M-h : mark current function?

C-c C-q : indenting current function.