C C Language Syntax Rules

C Language Syntax Rules

C language syntax specify rules for sequence of characters to be written in C language. The rule specify how character sequence will be grouped together to form tokens. A smallest individual unit in c program is known as C Tokens.
Tokens are either keyword, identifier, constant, variable or any symbol which has some meaning in C language.
A C program can also be called as collection of various tokens.

Some basic syntax rule for C Program

  • C is a case sensitive language so all C instructions must be written in lower case letter.
  • All C statement must be end with a semicolon.
  • Whitespace is used in C to describe blanks and tabs.
  • Whitespace is required between keywords and identifiers

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