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Programming in C

Static in C

Related Topics C Programing In C programming language, the static keyword is used to declare variables, functions, and data structures with a “static storage duration.” When a variable is declared as static inside a function, its value persists across multiple function calls. This is because the variable is not created on the stack and is …

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Switch Case in C

It is a statement in C that allows to execute a specific code block. It is one of the many alternative ways. Note: switch case follows a top-down approach. Syntax : Example : 1 Explanation:For value 1, the expression is matched with all the case values, the case value which matches with the expression i.e. …

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C standard library function – free()

In dynamic memory allocation the memory have to be deallocated explicitly. It releases all the used memory spaces previously allocated by calloc(), malloc() or realloc() functions. If we no longer need the data stored in a particular block of memory, then we should have a practice to release that memory for future use. After freeing the memory blocks the memories are returned to heap.