Keywords are identifiers that are part of the basic syntax of the language. These names have fixed meanings and cannot be used in any way that attempts to change those meanings.
Here is a list of keywords in C++. Those that are shown in bold are also part of ANSI C89.
and
and_eq
asm
auto
bitand
bitor
bool
break
case
catch
char
class
compl
const
const_cast
continue
default
delete
do
double
dynamic_cast
else
enum
explicit
export
extern
false
float
for
friend
goto
if
inline
int
long
mutable
namespace
new
not
not_eq
operator
or
or_eq
private
protected
public
register
reinterpret_cast
return
short
signed
sizeof
static
static_cast
struct
switch
template
this
throw
TRue
TRy
typedef
typeid
typename
union
unsigned
using
virtual
void
volatile
wchar_t
while
xor
xor_eq