Identifiers in C Programming | Basic Concepts of C Programming | Lec 8 | C Programming
C is the first and foremost programming language to programming. C is a high level structured programming language developed by Dennis M Ritchie in the year 1972.
This video explains the Identifiers used in C programming.
What is Identifier?
Names given to data elements and other objects of a program such as variables, functions, arrays, constants etc.
Sequence of alphabets and digits
Keywords should not be used as identifiers
Once declared the values of the constants cannot be changed
Rules to name an Identifier
Valid symbols are Uppercase letters A-Z, lowercase letters a-z, digits 0-9 and Underscore Symbol
First letter should be Letter or Underscore symbol
Maximum length is 31 characters
Should not use keywords
Identifiers are case sensitive
Should not use two consecutive Underscore symbols
Should not use special characters
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