	[] means optional; {} means 1 or more; <> means defined elsewhere
	  commands are separated by ';' and newlines
	command:
	  declare <name> as <english>
	  cast <name> into <english>
	  explain <gibberish>
	  set or set options
	  help, ?
	  quit or exit
	english:
	  function [( <decl-list> )] returning <english>
	  array [<number>] of <english>
	  [{ const | volatile | noalias }] pointer to <english>
	  <type>
	type:
	  {[<storage-class>] [{<modifier>}] [<C-type>]}
	  { struct | union | enum } <name>
	decllist: a comma separated list of <name>, <english> or <name> as <english>
	name: a C identifier
	gibberish: a C declaration, like 'int *x', or cast, like '(int *)x'
	storage-class: extern, static, auto, register
	C-type: int, char, float, double, or void
	modifier: short, long, signed, unsigned, const, volatile, or noalias
Valid set options (and command line equivalents) are:
	options
	create (-c), nocreate
	interactive (-i), nointeractive
	ritchie (-r), preansi (-p), ansi (-a) or cplusplus (-+)

Current set values are:
	 nocreate
	 nointeractive
	(noritchie)
	(nopreansi)
	   ansi
	(nocplusplus)
char *x
int *x(char *w, int y)
int *x(char *)
int *x(int )
int *x(char *, int )
int *x(args)
declare x as pointer to char
declare x as function returning pointer to int
declare x as function (args) returning pointer to int
declare x as function (pointer to char) returning pointer to int
declare x as function (pointer to char, int) returning pointer to int
declare x as function (pointer to char, int, float) returning pointer to int
declare x as function (int) returning pointer to int
(char *)x
(int (*)())x
(int (*)())x
(int (*)(args))x
(int (*)(char *x, int y))x
(int (*)(char *))x
(int (*)(char *, int ))x
(int (*)(char *, int , float ))x
cast x into pointer to char
cast x into pointer to function returning int
cast x into pointer to function (pointer to char) returning int
cast x into pointer to function (pointer to char, int) returning int
cast x into pointer to function (pointer to char, int, float) returning int
	[] means optional; {} means 1 or more; <> means defined elsewhere
	  commands are separated by ';' and newlines
	command:
	  declare <name> as <english>
	  cast <name> into <english>
	  explain <gibberish>
	  set or set options
	  help, ?
	  quit or exit
	english:
	  function [( <decl-list> )] returning <english>
	  array [<number>] of <english>
	  [{ const | volatile | noalias }] pointer to <english>
	  <type>
	type:
	  {[<storage-class>] [{<modifier>}] [<C-type>]}
	  { struct | union | enum } <name>
	decllist: a comma separated list of <name>, <english> or <name> as <english>
	name: a C identifier
	gibberish: a C declaration, like 'int *x', or cast, like '(int *)x'
	storage-class: extern, static, auto, register
	C-type: int, char, float, double, or void
	modifier: short, long, signed, unsigned, const, volatile, or noalias
Valid set options (and command line equivalents) are:
	options
	create (-c), nocreate
	interactive (-i), nointeractive
	ritchie (-r), preansi (-p), ansi (-a) or cplusplus (-+)

Current set values are:
	 nocreate
	 nointeractive
	(noritchie)
	(nopreansi)
	   ansi
	(nocplusplus)
char *x
Warning: Unsupported in C -- 'reference'
char &x
Warning: Unsupported in C -- 'pointer to member of class'
int X::*foo
Warning: Unsupported in C -- 'pointer to member of class'
class Y *(X::*foo)(arg1, arg2)
int *x(char *w, int y)
int *x(char *)
int *x(int )
int *x(char *, int )
int *x(args)
declare x as pointer to char
Warning: Unsupported in C -- 'pointer to member of class'
declare foo as pointer to member of class X int
Warning: Unsupported in C -- 'pointer to member of class'
declare foo as pointer to member of class X function (arg1, arg2) returning pointer to class Y
declare x as function returning pointer to int
declare x as function (args) returning pointer to int
declare x as function (pointer to char) returning pointer to int
declare x as function (pointer to char, int) returning pointer to int
declare x as function (pointer to char, int, float) returning pointer to int
declare x as function (int) returning pointer to int
(char *)x
Warning: Unsupported in C -- 'pointer to member of class'
(int X::*)x
(int (*)())x
(int (*)())x
(int (*)(args))x
(int (*)(char *x, int y))x
(int (*)(char *))x
(int (*)(char *, int ))x
(int (*)(char *, int , float ))x
cast x into pointer to char
Warning: Unsupported in C -- 'pointer to member of class'
cast x into pointer to member of class X int
cast x into pointer to function returning int
cast x into pointer to function (pointer to char) returning int
cast x into pointer to function (pointer to char, int) returning int
cast x into pointer to function (pointer to char, int, float) returning int
exit 0