Variables in C(MCA I)

Rules For Constructing Variable Name

1. Characters Allowed :
• Underscore(_)
• Capital Letters ( A – Z )
• Small Letters ( a – z )
• Digits ( 0 – 9 )

2. Blanks & Commas are not allowed
3. No Special Symbols other than underscore(_) are allowed
4. First Character should be alphabet or Underscore
5. Variable name Should not be Reserved Word

Fundamental Attributes of C Variable :

1. Name of a Variable
2. Value Inside Variable
3. Address of Variable
4. Size of a Variable
5. Type of a Variable

Variable Declaration ?

• To Declare is nothing but to represent a variable.
• Only Variable name and its Data type is Represented in Declaration.