Keywords in C

What is keyword in C language ?

There are certain words that reserved for doing specific tasks. These words are known as keywords. Each keyword has fixed meaning and this meaning can not be changed. Keywords are always written in lowercase. 

Keywords available in C  

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