What is Character Set of 'C'?
https://www.computersprofessor.com/2016/05/what-is-character-set-of-c.html?m=0
Characters that
can be used to form words, numbers & expressions depend upon the computer
on which the program is run.
The characters in C are grouped into
the following categories:
1. letters
2. digits
3. special
characters
4. white spaces
Letters : upper case : ‘A – Z’
Lower case : ‘a – z’
Digits : all digits (deimal) 0 to 9
Special
characters : ; “\ > {…………
White spaces
: Blank spaces, horizontal tab, new line, form feed…………
C uses uppercase letters, lower case letters, digits,
special characters & white spaces as building blocks to form basic
programs.