Reserved keywords in C Language

Following are the reserved keywords in C Language, they have special purpose, and they can't be used as variable names/ function names.

auto	 double	int	struct
break	 else	long	switch
case	 enum	register	typedef
char	 extern	return	union
const	float	short	unsigned
continue	for	signed	void
default	goto	sizeof	volatile
do	if	static	while