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Saturday 1 June 2019

Usage of the pointer in C


  • Accessing array elements: Pointers are used in traversing through an array of integers and strings. The string is an array of characters which is terminated by a null character '\0'.

  • Dynamic memory allocation: Pointers are used in allocation and deallocation of memory during the execution of a program.

  • Call by Reference: The pointers are used to pass a reference of a variable to other function.

  • Data Structures like a tree, graph, linked list, etc: The pointers are used to construct different data structures like tree, graph, linked list, etc.


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