5. Keywords

44 keywords (reserved words) - cppreference.com/w/c/keyword

Three main groups:

  Data, Modifiers/Other, Control

Data Keywords

  void
  char
  int
  float
  double

  _Bool, _Complex, _Imaginary (C99)

  _Alignas, _Alignof, _Atomic, _Generic, _Noreturn, _Static_assert, _Thread_local (C11)

Examples:

  char c;
  char buf[10];
  int i, j;
  float f = 1.7e-3;
  double d;
  void func(int);