
2-4
Computer Programming with C
e tokens are as follows:
(i) Keywords: Key words are reserved by
the compiler. There are 32 keywords
(ANSI Standard).
(ii) Variables: ese are user dened. Any
number of variables can be dened.
(iii) Constants: Constants are assigned to vari-
ables.
(iv) Operators: Operators are of dierent
types and are used in expressions.
(v) Special Characters: ese characters are
used in dierent declarations in C.
(vi) Strings: A sequence of characters.
2.5 THE C KEYWORDS
e C keywords are reserved words by the compiler. All the C keywords have been assigned xed
meanings and they cannot be used as variable names. However, few ...