Passing Array to Function in C

To reuse the array operation, we can create functions that receives array as argument. To pass array in function, we need to write the array name only in the function call.

There are 3 ways to declare function that receives array as argument.

First way:

Declaring blank subscript notation [] is the widely used technique.

Second way:

Optionally, we can define size in subscript notation [].

Third way:

You can also use the concept of pointer. In pointer chapter, we will learn about it.

C language passing array to function example

#include <stdio.h>  
#include <conio.h>  
int minarray(int arr[],int size){
int min=arr[0];
int i=0;
for(i=1;i<size;i++){
if(min>arr[i]){
min=arr[i];
}
}//end of for
return min;
}//end of function

void main(){  
int i=0,min=0;
int numbers[]={4,5,7,3,8,9};//declaration of array
clrscr();  

min=minarray(numbers,6);//passing array with size
printf("minimum number is %d \n",min);

getch();  
}  

Output

minimum number is 3

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Passing Array to Function in C

C language passing array to function example

Output