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C program to call the user-defined function through if statement

In this tutorial, we are going to write a C program to call the user-defined function through if statement in C Programming with practical program code and step-by-step full complete explanation.

C program to call the user-defined function through if statement


C program to call the user-defined function through if statement.

 
#include<stdio.h>
#include<conio.h>

void main()
{
    int a();

    clrscr();

    if(a()%2 == 0)
        printf("The number is even");
    else
        printf("The number is odd");
}

int a()
{
    int a;

    printf("Enter value of a:");
    scanf("%d",&a);

    return(a);
}


Output

 
Enter value of a: 5
The number is odd


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