You can initialize and pass a new array in one step, as is shown in the following example. In C programming, an array element or whole array can be passed to a function like any other basic data type. 1. function_name(array_name); Example: Passing arrays to a function. 1. Given a one dimensional array (an integer array) and we have to pass the array to a function and print the elements using C program. The first element of the multi-dimensional array is another array, so here, when we will pass a 2D array then it would be split into a pointer to the array. In the following example, an array of strings is initialized and passed as an argument to a DisplayArray method for strings. Now, we will see how to pass an array to a function as a pointer. Write a C Program to pass an array to functions. Improve this answer. In this tutorial we will see how we can pass an array as an argument to a function. Share. add a comment | -1. When you pass a C-style array to a function it will decay to a pointer to the first element of the array, basically losing the size information. Within the main Pass Pointers to Functions program, we used for loop to iterate the array.Next, pass the user given value to an array. When we pass the address of an array while calling a function then this is called function call by reference. In this technique, we would be passing the array … In this Pass Pointers to Functions program, we created a function that accepts the array pointer and its size.Please refer to the C program to find the Sum of All Elements in an Array article to know the logic.. Let’s see an example of passing array to the function. In this post, we will see how we can pass 2D array to a function in C programming language. C Programming - Passing a multi-dimensional array to a function Posted on March 27, 2019 by Paul . Olaf Dietsche Olaf Dietsche. The difference is important and would be apparent later in the article. Pass Array to Functions in C Example 1. By array, we mean the C-style or regular array here, not the C++11 std::array. printarray (int arg [],...) is equivalent to printarray (int *arg,...) However, this is not specific to C++. In this Pass Pointers to Functions program, we created a function that accepts the array pointer and its size.Please refer to the C program to find the Sum of All Elements in an Array article to know the logic.. So, we will be using that idea to pass structure pointer to a function. Passing an Entire Array to a Function. Passing array to a function as a pointer. It is seen as an important task to Pass arrays to a function in C as to be passed as the actual parameters from the main function some amount of numbers is required. One important thing for passing multidimensional arrays is, first array dimension does not have to be specified. Your email address will not be published. In this post, we will see how we can pass 2D array to a function in C programming language. But before we study this, I want to make a few points clear. Array can be passed to the function using the address of the first element of the array. The function takes a two dimensional array, int n [] as its argument and prints the elements of the array. What makes this subject so interesting is to do with the way C++ compiles the array function parameters. It is seen as an important task to Pass arrays to a function in C as to be passed as the actual parameters from the main function some amount of numbers is required. Within the main program, we used for loop to iterate the array and pass each array element to the function that we created earlier. In this Pass Array to Functions in C program, we created a function that accepts an integer variable and prints that variable as the output. For Static Array. In this tutorial, we will discuss how to pass an array to the function with examples. You can also pass arrays to and from functions, where the array’s elements can be accessed or manipulated. So, we will be using that idea to pass structure pointer to a function. However, You can pass a pointer to an array by specifying the array's name without an index. Array elements are always stored in continuous memory locations. Passing an array to a function will decay the array to a pointer to the first element of the array--in the case of a 2d array it decays to a pointer to the first row because in C arrays are sorted row-first. this function does not return any value. For example, consider a function which sorts the 10 elements in ascending order. C has the same rules for passing array names to a function. As a side note, in a pure C++ code, one will prefer to use std::vector or std::array instead of C-style arrays. 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