Knowledge Walls
Venkatesan
Hyderabad, Andhra Pradesh, India
Passcode:
Introduction [cont'd]
Input Output Functions [cont'd]
Structures and Unions [cont'd]
# Preprocessor [cont'd]
Identifiers in Introduction of Programming in C
1759 Views
Define C Identifiers? 
Identifier are user specified names for arrays, functions, and variables. It has some structure to form identifiers.

Thus,
Identifiers should not be keywords.
Can use digits, alphabets, and underscore.
Should not start with digits
First 31 characters are allowed. Exceeded characters will be truncated
Should not contain white space character
Valid C identifiers 
user_name
_username
user1
user2
Invalid C identifiers 
user name
1user
2user
Previous Topics
Previous lessons of current book.
Introduction of Programming in C
Best Lessons of "Programming in C"
Top lessons which are viewed more times.
Structures and Unions of Programming in C
Input Output Functions of Programming in C
Structures and Unions of Programming in C
  Copyright © 2014 Knowledge walls, All rights reserved
KnowledgeWalls
keep your tutorials and learnings with KnowledgeWalls. Don't lose your learnings hereafter. Save and revise it whenever required.
Click here for more details