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How to pass entire array as an argument to a function in C language?
Array
The array is a group of related items that store with a common name. Following are the two ways of passing arrays as arguments to functions −
- sending entire array as argument to function
- sending individual elements as argument to function
Sending entire array as an argument to a function
To send entire array as argument, just send the array name in the function call.
To receive an array, it must be declared in the function header.
Example 1
#include<stdio.h>
main (){
void display (int a[5]);
int a[5], i;
clrscr();
printf ("enter 5 elements");
for (i=0; i<5; i++)
scanf("%d", &a[i]);
display (a); //calling array
getch( );
}
void display (int a[5]){
int i;
printf ("elements of the array are");
for (i=0; i<5; i++)
printf("%d ", a[i]);
}Output
Enter 5 elements 10 20 30 40 50 Elements of the array are 10 20 30 40 50
Example 2
Let us consider another example to know more about passing entire array as argument to function −
#include<stdio.h>
main (){
void number(int a[5]);
int a[5], i;
printf ("enter 5 elements
");
for (i=0; i<5; i++)
scanf("%d", &a[i]);
number(a); //calling array
getch( );
}
void number(int a[5]){
int i;
printf ("elements of the array are
");
for (i=0; i<5; i++)
printf("%d
" , a[i]);
}Output
enter 5 elements 100 200 300 400 500 elements of the array are 100 200 300 400 500
Updated on: 09-Mar-2021
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