a2zinterviews

41.	What is local variable in C?
	The variables which are having scope/life only within the function are called local variables. These variables are declared within the function and can't be accessed outside the function.
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42.	What are the types of I/O statements available in C?
	There are two types of I/O statements available in C: Formatted I/O Statements Unformatted I/O Statements
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43.	What is global variable in C?
	The variables which are having scope/life throughout the program are called global variables. A global variable is defined outside the main functions. So, this variable is visible to main function and all other sub functions.
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44.	What is identifier in C?
	Each program elements in a C program are given a name called identifiers. Names given to identify Variables, functions and arrays are examples for identifiers.
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