Interviews Questions, Algorithms, Aptitude, C Interview Program, C Theory Question, Aptitude Tricks, Test Series,

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.


0 comments:

Post a Comment