![]() Here are some of the most common uses of double pointers and why you might want to use them: Uses of Pointer-to-Pointer (Double Pointer)ĭouble pointers serve a variety of purposes in C Programming. It fills the matrix with values, prints it to the console, and then frees the memory. This program prompts the user to enter the number of rows and columns for a matrix (two dimensional array), then dynamically allocates memory for the matrix using double pointers. ![]() The syntax to declare a double pointer in C is:
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