Example: String Reversal using While Loop in C

C
C++
C#
Java
Python
PHP
// String Reversal using While Loop
#include <stdio.h>
#include <string.h>

void reverseStringWhileLoop(char *str) {
    int start = 0;
    int end = strlen(str) - 1;
    char temp;

    while (start < end) {
        // Step 1: Store character at 'start'
        temp = str[start];
        // Step 2: Replace 'start' character with 'end' character
        str[start] = str[end];
        // Step 3: Replace 'end' character with stored 'start' character
        str[end] = temp;
        // Step 4: Move 'start' index forward
        start++;
        // Step 5: Move 'end' index backward
        end--;
    }
}

int main() {
    char myString[] = "developers";
    printf("Original string: %s\n", myString);

    reverseStringWhileLoop(myString);
    printf("Reversed string: %s\n", myString);

    return 0;
}