A7:
C Tokens are the smallest element of a program, which one
is meaningful to the compiler.
Classification
of C tokens:
1. Keywords
e.g. (int, if, main, etc.).
2. Identifier
e.g. (int number, float average, etc).
3. Constant
e.g. (const float PI = 3.14, #define GST 12, etc).
4. Operator
e.g. (+, ==, &&, etc).
5. String
e.g. (char name = “Jonas”, char sName[10], etc).
6. Special Symbol e.g. (#, &, ;, etc).
