Easy Tutorial
❮ C Enum C Function Strtoul ❯

C Exercise Example 27

C Language Classic 100 Examples

Title: Use recursive function calls to print 5 input characters in reverse order.

Program Analysis: None.

Example

//  Created by www.tutorialpro.org on 15/11/9.
//  Copyright © 2015 tutorialpro.org. All rights reserved.
//

#include <stdio.h>

int main()
{
    int i=5;
    void palin(int n);
    printf("Please input 5 characters: ");
    palin(i);
    printf("\n");
}
void palin(n)
int n;
{
    char next;
    if(n<=1) {
        next=getchar();
        printf("Output in reverse order: ");
        putchar(next);
    } else {
        next=getchar();
        palin(n-1);
        putchar(next);
    }
}

The output of the above example is:

Please input 5 characters: abcde
Output in reverse order: edcba

C Language Classic 100 Examples

❮ C Enum C Function Strtoul ❯