C Index

Elements

Identifiers

Variable names, functions, data types and preprocessor macros. Are allowed letters, decimal digits and underscore.

Keywords

Reserved identifiers part of C language.;

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

restrict inline _Bool _Complex _Imaginary

__FUNCTION__ __PRETTY_FUNCTION__ __alignof __alignof__ __asm __asm__ __attribute __attribute__ __builtin_offsetof __builtin_va_arg __complex __complex__ __const __extension__ __func__ __imag __imag__ __inline __inline__ __label__ __null __real __real__ __restrict __restrict__ __signed __signed__ __thread __typeof __volatile __volatile__

Constants

Constants are identifiers with fixed values that can't change during execution. Data types of constants; integer, character, double, strings.

Operators

Operators do operations such as; addition or subtraction.

Separators

Language elements separators;

{} [] () ; , . :

White Space

White space is ignored except when separating elements.

C Index